2008 Mercury Mountaineer Spark Plugs

Keep Your 2008 Mercury Mountaineer in Top Shape with Quality Spark Plugs

Whether you’re repairing or upgrading your Spark Plug, using high-quality parts is key to keeping your 2008 Mercury Mountaineer looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Spark Plugs. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Spark Plugs from Trusted Brands

Looking for a reliable Spark Plug? We’ve got you covered with options from brands you know and trust like Motorcraft, NGK, and Autolite. For example, Motorcraft Spark Plugs start at just $4.99 with an average 4.8 star rating. NGK and Autolite offer similar pricing and quality, backed by strong customer feedback. With over 1,202 reviews and a solid 5 star average, you can shop with confidence knowing other Mercury Mountaineer owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2008 Mercury Mountaineer Spark Plug at Advance Auto Parts is around $21.30, with a range that starts at $2.49 and goes up to $184.99. With 30 options in stock from 8 trusted brands, finding the right fit is easy. Popular picks like Double Platinum Spark Plug (HJFS24FP): Enhanced Durability & Reliability, DiamondFIRE Automotive Spark Plug (E3.70): More Power & Fuel Savings, and Standard Spark Plug: Enhances Durability & Reduces Misfires start at just $4.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Spark Plug, don’t forget to check out other key components like Ignition Boots and Ignition Coils and Boots. At Advance Auto Parts, we’re here to help you keep your 2008 Mercury Mountaineer in peak condition, inside and out.

Essential 2008 Mercury Mountaineer Spark Plugs

Motorcraft – Platinum Spark Plug (AGSF32FM): Enhanced Durability & Reliability (Part No.SP-432)

Platinum Spark Plug (AGSF32FM): Enhanced Durability & Reliability

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$6.99
Platinum Spark Plug (AGSF32FM) offers enhanced durability and reliability, making it the ideal choice for maintaining peak performance in Ford, Lincoln, and Mercury vehicles. Engineered to meet strict Ford standards, these spark plugs are crafted with platinum center and ground electrode tips for superior resistance to oxidation and arc erosion. Designed for exact fitment, they help eliminate misfires, reduce fuel consumption, and optimize emissions, ensuring smooth and efficient engine operation. The multi-rib insulator provides added protection against misfires, while service intervals of up to 100,000 miles deliver long-lasting value. Backed by Motorcraft’s Service Parts Warranty, these spark plugs are built with high-quality materials to provide reliable performance across a wide range of domestic and import applications. Whether you’re replacing original equipment or upgrading, Motorcraft Spark Plugs are the trusted solution to prevent false check engine lights and maintain your vehicle’s reliability.

Product Features:
  • Motorcraft spark plugs are matched to specific engines to provide enhanced durability, eliminate misfires, reduce fuel consumption and optimize emissions.
  • Backed by Motorcraft’s Service Parts Warranty
  • Exact fit for Ford, Lincoln and Mercury vehicles
  • Resistant to oxidation and arc erosion.
  • Multi-rib insulator protects against misfire.
  • Service intervals of up to 100,000 miles.
  • Motorcraft Spark Plugs are designed with high quality materials to provide reliable performance for almost any application.
  • Motorcraft Spark Plugs are what was in the vehicle when it was manufactured
  • Motorcraft ignition components help prevent false check engine lights.
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NGK – G-Power Platinum Spark Plug (TR55GP): Enhanced Durability & Efficiency (Part No.3403)

G-Power Platinum Spark Plug (TR55GP): Enhanced Durability & Efficiency

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$8.49
NGK G-Power Platinum spark plugs are the best single platinum spark plugs at an economical price. G-Power plugs feature a fine wire platinum center electrode and a trapezoidal cut ground electrode that offers increased durability, improved fuel efficiency, lower emissions, faster starts and quicker acceleration over conventional nickel spark plugs. An excellent upgrade for vehicles which used nickel alloy spark plugs originally. For better performance consider upgrading to a NGK Iridium IX plug. For even greater performance consider upgrading to a NGK RUTHENIUM HX plug.

Product Features:
  • SINGLE PLATINUM TIP: Fine wire 0.6 millimeter platinum tip center electrode ensures improved durability and a consistently stable spark
  • PLATINUM ALLOY: G-Power platinum provides exceptional value with increased performance and longer service intervals than factory nickel plugs
  • TRAPEZOIDAL CUT GROUND ELECTRODE: Reduces quenching design produces improved ignitability and performance
  • SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
  • COLD-ROLLED THREADS: Prevents cross-threading and damage to cylinder heads
  • RECOMMENDED USAGE: Lower cost alternative to double precious metal spark plugs or as an upgrade to OE nickel alloy spark plugs
  • Improved Fuel Efficiency: Designed to offer better fuel efficiency, the NGK G-Power Platinum spark plugs help you save on fuel costs.
  • Lower Emissions: These spark plugs contribute to lower emissions, making them an environmentally friendly choice.
  • Faster Starts and Quicker Acceleration: Experience faster starts and quicker acceleration with the advanced design of the NGK G-Power Platinum spark plugs.
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Autolite – Double Platinum Spark Plug (APP5143): Enhanced Durability & Performance (Part No.APP5143)

Double Platinum Spark Plug (APP5143): Enhanced Durability & Performance

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$6.99
Autolite Double Platinum spark plugs are engineered for exceptional durability and performance, featuring a platinum-to-platinum design that minimizes gap erosion and reduces misfires for a longer service life. Ideal for distributor-less ignition system (DIS) engines, these spark plugs outperform copper and standard platinum plugs. The yttrium-enhanced ground electrode ensures superior heat transfer, maintaining durability under high temperatures and pressure, while the high alumina ceramic insulator optimizes thermal conductivity and dielectric strength. A multi-rib insulator prevents flash-over, ensuring reliable ignition performance. With a long projection center electrode and tapered seat type, these spark plugs are designed for precision and efficiency. Proudly engineered in the USA with over 100 years of expertise and a proven track record of over 11 billion plugs sold, Autolite continues to set the benchmark in spark plug technology. Whether you’re seeking enhanced durability or superior ignition performance, these spark plugs deliver unmatched value and reliability.

Product Features:
  • Engineered with a platinum-to-platinum design that prevents gap erosion, extending the life of the spark plug.
  • The yttrium-Enhanced Ground Electrode delivers superior heat transfer that delivers more durability under high temps and pressure for greater life.
  • Its high alumina ceramic insulator provides optimum thermal conductivity and dielectric strength.
  • The multi-rib insulator prevents flash-over.
  • Engineered in the USA: Designed and engineered with over 100 years of expertise, ensuring high-quality and reliable performance.
  • Proven Track Record: With more than 11 billion plugs sold, Autolite continues to set the standard in spark plug technology.
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Champion – Platinum Power Spark Plug (RS14PYC6): Powerful Performance & Durability (Part No.3013)

Platinum Power Spark Plug (RS14PYC6): Powerful Performance & Durability

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$4.99
Champion Platinum Power spark plugs are engineered for exceptional performance and durability, making them an ideal choice for maintaining peak engine efficiency. Featuring a platinum center electrode, these spark plugs ensure long-lasting reliability and consistent performance. The fine-wire center electrode enhances ignitability, while the V-trimmed ground electrode sharpens spark focus for optimal combustion. Constructed with Heat-Active alloy, the electrodes quickly reach and maintain the ideal operating temperature, ensuring smooth engine operation under various conditions. The platinum-tipped center wire resists wear and helps maintain the proper gap specification throughout the life of the plug, reducing the need for frequent replacements. Designed as a standard replacement with a tapered seat type, these spark plugs are built to meet or exceed OEM Standards. With a nickel ground electrode tip and integrated resistor, they deliver dependable performance and value, making them a smart investment for your vehicle’s ignition system.

Product Features:
  • Platinum Power- Premium Spark Plug. Powerful Performance.
  • Platinum center electrode for long life
  • Fine-wire center electrode for greater ignitability
  • V-trimmed ground electrode promotes sharper spark focus
  • Heat-Active alloy allows electrodes to reach optimal temperature
  • Platinum tipped center wire resists wear and helps to maintain proper gap spec over life of the plug
  • Platinum Center Electrode: Features a platinum center electrode for extended durability and long life.
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Autolite – Platinum Spark Plug: Enhanced Durability & Fuel Efficiency (Part No.AP104)

Platinum Spark Plug: Enhanced Durability & Fuel Efficiency

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$4.99
Autolite Platinum spark plugs are crafted for exceptional performance and durability, making them ideal for older engine applications. Featuring a platinum center electrode firing tip, these spark plugs ensure quicker firing, smoother starts, and enhanced acceleration while boosting fuel efficiency. The platinum firing tip prevents gap erosion, extending the service life, while the high alumina ceramic insulator offers superior thermal conductivity and insulation for added strength. A multi-rib insulator design prevents flash-over, ensuring reliable operation, and the nickel-plated shell resists corrosion for long-lasting durability. With a mid-projection standard center electrode and a tapered seat type, these performance-grade spark plugs deliver consistent results. The combination of platinum and nickel materials in the electrode tips further enhances reliability, making them a smart choice for drivers seeking improved engine efficiency and extended part longevity.

Product Features:
  • Engineered with a platinum firing tip that prevents gap erosion for longer service life.
  • Its high alumina ceramic insulator provides thermal conductivity and superior insulation for increased strength.
  • The multi-rib insulator prevents flash-over.
  • Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended life.
  • Incorporates a mid-projection standard center electrode design to ensure consistent performance and reliable ignition in a variety of engine conditions.
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Champion – Double Platinum Power Spark Plug (RS12PYPB5): Enhanced Durability & Performance (Part No.7963)

Double Platinum Power Spark Plug (RS12PYPB5): Enhanced Durability & Performance

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$6.99
Champion Double Platinum Power spark plugs are engineered to deliver exceptional performance and durability for your vehicle. Featuring a fine-wire platinum center electrode and a platinum pad ground electrode, these spark plugs ensure greater wear resistance and sharper spark focus for reliable ignition. The innovative Heat-Active alloy allows the electrodes to maintain optimal operating temperatures under all engine loads, enhancing overall efficiency. With a V-trimmed ground electrode design, these plugs promote precise spark delivery, improving ignitability and engine performance. Designed as a standard replacement, they are built to provide maximum life and consistent performance, making them a dependable choice for maintaining your vehicle’s peak operation. Equipped with a resistor and a tapered seat type, these spark plugs are a perfect blend of advanced technology and practicality, ensuring stable performance and long-lasting reliability.

Product Features:
  • Double Platinum Power – Premium Spark Plug. More Powerful Performance.
  • Platinum center and ground electrode for greater wear resistance
  • Maintains stable operating temperature under all engine loads
  • Fine-wire center electrode for greater ignitability
  • V-trimmed ground electrode promotes sharper spark focus
  • Heat-Active alloy allows electrodes to reach optimal temperature
  • Platinum Center Electrode Tip: Guarantees maximum life and exceptional performance.
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Accel – HP Copper Spark Plug: Superior Heat Dissipation & Stronger Spark (Part No.8160C1)

HP Copper Spark Plug: Superior Heat Dissipation & Stronger Spark

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$184.99
ACCEL HP Spark Plugs are made with a Copper core which is a better conductor than Platinum and Iridium. They deliver a stronger spark especially in high performance applications where high combustion pressures are present. Copper is much better at dissipating heat than other materials which lessens the chance of a misfire. ACCEL HP Spark Plugs are capable allowing you to open the gap exposing a larger flame kernel or close it if needed for high boost applications. All ACCEL HP Spark Plugs have machine rolled threads allowing for a more precise thread engagement and torque retention.

Product Features:
  • One Piece Design – Won’t break off in head during removal like two piece designs
  • The Copper core is a better conductor than Iridium or Platinum plugs
  • Copper dissipates heat much better than other materials
  • C – Cut Design un-shrouds the spark kernel for a better burn
  • Unlike Iridium or Platinum plugs, the ACCEL HP plugs are capable
  • Machine rolled threads for precise thread engagement
  • One step colder than stock
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NGK – G-Power Spark Plug (ZNAR6AGP): Enhanced Durability & Fuel Efficiency (Part No.1698)

G-Power Spark Plug (ZNAR6AGP): Enhanced Durability & Fuel Efficiency

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$9.49
NGK G-Power Platinum spark plugs are the best single platinum spark plugs at an economical price. G-Power plugs feature a fine wire platinum center electrode and a trapezoidal cut ground electrode that offers increased durability, improved fuel efficiency, lower emissions, faster starts and quicker acceleration over conventional nickel spark plugs. An excellent upgrade for vehicles which used nickel alloy spark plugs originally. For better performance consider upgrading to a NGK Iridium IX plug. For even greater performance consider upgrading to a NGK RUTHENIUM HX plug.

Product Features:
  • SINGLE PLATINUM TIP: Fine wire 0.6 millimeter platinum tip center electrode ensures improved durability and a consistently stable spark
  • PLATINUM ALLOY: G-Power platinum provides exceptional value with increased performance and longer service intervals than factory nickel plugs
  • TRAPEZOIDAL CUT GROUND ELECTRODE: Reduces quenching design produces improved ignitability and performance
  • SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
  • COLD-ROLLED THREADS: Prevents cross-threading and damage to cylinder heads
  • RECOMMENDED USAGE: Lower cost alternative to double precious metal spark plugs or as an upgrade to OE nickel alloy spark plugs
  • Enhanced Vehicle Performance: Delivers better overall engine performance, making it an excellent choice for those seeking an upgrade from standard spark plugs.
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E3 – DiamondFIRE Automotive Spark Plug: More Power & Fuel Efficiency (Part No.E3.53)

DiamondFIRE Automotive Spark Plug: More Power & Fuel Efficiency

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$8.49
The Premium DiamondFire Automotive Spark Plug is engineered to deliver peak performance and efficiency for your vehicle. Featuring E3’s patented Diamond Fire edge-to-edge ground electrode, it ensures a faster, more complete burn for smoother acceleration and idle. The innovative “diamond-shaped” side wire electrode enhances combustion by quickly igniting the air/fuel mixture, resulting in a larger and faster flame kernel. This translates to improved power output – up to 6% on average – and better fuel efficiency, saving you money while reducing engine carbon deposits. Constructed with durable nickel for both the center and ground electrode tips, this spark plug is built to last. Its tapered seat design ensures a secure fit, and the pre-gapped configuration eliminates the need for adjustments, making installation hassle-free. With its advanced technology, this spark plug not only boosts performance but also promotes cleaner combustion, making it a smart upgrade for any vehicle.

Product Features:
  • E3’s Diamond Fire edge to edge ground electrode provides maximum performance with increased efficiency and a faster more complete burn
  • Smoother Acceleration & Idle – The faster flame initiated by the spark plug results in a more complete burn of the ingested fuel charge. More pressure is created against the piston more fuel is put to work
  • Energy – Power output improved up to 6% on average in the typical operating ranges. Results will vary.
  • Efficiency – The “diamond shaped” side wire electrode projects the combustion spark in a way that more quickly ignites the air/fuel mixture, thereby creating a significantly faster and larger flame kernel. The result is that more fuel is put to work durin
  • E3’s patented Diamond Fire Technology provides a cleaner burning combustion, which translates into fuel savings and reduced engine carbon deposits
  • The Spark Plugs are pre-gapped at the factory and cannot be adjusted.
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Champion – Double Platinum Power Spark Plug (7989): Enhanced Durability & Performance (Part No.7989)

Double Platinum Power Spark Plug (7989): Enhanced Durability & Performance

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$21.99
Champion Double Platinum Power spark plugs are engineered for enhanced durability and performance, making them a premium choice for your vehicle. Featuring a platinum fine-wire center electrode and platinum pad ground electrode, these spark plugs deliver greater wear resistance and sharper spark focus for reliable ignition. The Heat-Active alloy ensures the electrodes reach optimal temperature, maintaining stable operation under all engine loads. With a V-trimmed ground electrode design, these spark plugs promote precise spark focus for improved ignitability. As an OE replacement, they are designed to seamlessly fit your vehicle, offering compatibility and dependable performance. Whether you’re seeking a standard replacement or aiming to boost your engine’s efficiency, these spark plugs provide powerful performance and long-lasting reliability.

Product Features:
  • Double Platinum Power – Premium Spark Plug. More Powerful Performance.
  • Platinum center and ground electrode for greater wear resistance
  • Maintains stable operating temperature under all engine loads
  • Fine-wire center electrode for greater ignitability
  • V-trimmed ground electrode promotes sharper spark focus
  • Heat-Active alloy allows electrodes to reach optimal temperature
  • OE Replacement: Designed as an original equipment replacement, ensuring compatibility and reliable performance for your vehicle.
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Motorcraft – Platinum Spark Plug: Enhances Durability & Reduces Fuel Consumption (Part No.SP-493)

Platinum Spark Plug: Enhances Durability & Reduces Fuel Consumption

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$9.29
Motorcraft Spark Plugs are original equipment on Ford Motor Company vehicles, engineered to meet strict Ford engineering standards for performance and reliability. These spark plugs are matched to specific engines to provide enhanced durability, eliminate misfires, reduce fuel consumption, and optimize emissions. Backed by Motorcraft’s Service Parts Warranty, they are an exact fit for Ford, Lincoln, and Mercury vehicles and are resistant to oxidation and arc erosion. The multi-rib insulator protects against misfire, and with service intervals of up to 100,000 miles, these spark plugs are designed with high-quality materials to provide reliable performance for almost any application. Motorcraft Spark Plugs are what was in the vehicle when it was manufactured, and their ignition components help prevent false check engine lights. Featuring platinum center and ground electrode tips, these spark plugs deliver the performance, reliability, and confidence you expect.

Product Features:
  • Motorcraft spark plugs are matched to specific engines to provide enhanced durability, eliminate misfires, reduce fuel consumption and optimize emissions.
  • Backed by Motorcraft’s Service Parts Warranty
  • Exact fit for Ford, Lincoln and Mercury vehicles
  • Resistant to oxidation and arc erosion.
  • Multi-rib insulator protects against misfire.
  • Service intervals of up to 100,000 miles.
  • Motorcraft Spark Plugs are designed with high quality materials to provide reliable performance for almost any application.
  • Motorcraft Spark Plugs are what was in the vehicle when it was manufactured
  • Motorcraft ignition components help prevent false check engine lights.
  • High-Quality Platinum Tips: Featuring platinum center and ground electrode tips, these spark plugs offer superior performance and resistance to oxidation and arc erosion.
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NGK – Iridium IX Spark Plug (TR55-1IX): Enhanced Acceleration & Durability (Part No.7316)

Iridium IX Spark Plug (TR55-1IX): Enhanced Acceleration & Durability

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$16.99
NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode’s durability is six times harder than platinum. Iridium alloy’s extremely high melting point is perfect for today’s engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.

Product Features:
  • SINGLE IRIDIUM TIP: Fine wire 0.6 millimeter iridium tip center electrode ensures high durability and a consistently stable spark
  • IRIDIUM ALLOY CENTER ELECTRODE: Iridium’s density (6x that of platinum) and extremely high melting point is perfect for modern high efficiency engines
  • TAPERED CUT GROUND ELECTRODE: Reduced quenching design produces outstanding ignitability, improved acceleration, fuel efficiency and durability
  • SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
  • TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
  • RECOMMENDED USAGE: Modified or high performance applications, or as an upgrade to OE nickel alloy spark plugs
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Dorman – Help – Spark Plug Non-Foulers – 14mm Tapered Seat (Part No.42008)

Spark Plug Non-Foulers - 14mm Tapered Seat

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$10.49
This spark plug non fouler is designed for easy installation on specified vehicles to protect spark plugs from fouling and damage. It is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this spark plug non fouler is designed for easy installation to protect spark plugs from fouling and damage on specified vehicles
  • Ideal solution – this non-fouler preserves spark plug life and is a reliable replacement for an original non-fouler that has failed due to corrosion
  • Durable construction – made from quality components to ensure reliable performance and a long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Autolite – Double Platinum Spark Plug: Enhanced Durability & Performance (Part No.APP104)

Double Platinum Spark Plug: Enhanced Durability & Performance

from

$6.99
Double Platinum Spark Plug: Enhanced Durability & Performance is engineered for exceptional reliability and efficiency, making it a top choice for distributor-less ignition system (DIS) engines. Featuring a platinum-to-platinum design, it minimizes gap erosion and reduces misfires, ensuring consistent performance and extended service life. The yttrium-enhanced ground electrode offers superior heat transfer, allowing the spark plug to withstand high temperatures and pressures for greater durability. Its high alumina ceramic insulator optimizes thermal conductivity and dielectric strength, while the multi-rib insulator prevents flash-over for added safety and reliability. With a mid-projection center electrode and tapered seat type, this performance-grade spark plug delivers precision and compatibility. Both the center and ground electrode tips are crafted from platinum, ensuring long-lasting efficiency and superior ignition performance. Designed to outperform copper and standard platinum plugs, this spark plug is a durable and high-value solution for maintaining peak engine performance.

Product Features:
  • Engineered with a platinum-to-platinum design that prevents gap erosion, extending the life of the spark plug.
  • The yttrium-Enhanced Ground Electrode delivers superior heat transfer that delivers more durability under high temps and pressure for greater life.
  • Its high alumina ceramic insulator provides optimum thermal conductivity and dielectric strength.
  • The multi-rib insulator prevents flash-over.
  • Designed with a mid-projection center electrode and tapered seat type for enhanced precision and compatibility with distributor-less ignition system (DIS) engines.
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ACDelco – RAPIDFIRE Platinum Spark Plug: Reduces Misfires & Enhances Durability (Part No.12)

RAPIDFIRE Platinum Spark Plug: Reduces Misfires & Enhances Durability

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$6.99
ACDelco Gold (Professional) RAPIDFIRE Spark Plugs are a high quality alternative to Original Equipment (OE) parts. These RAPIDFIRE Single Platinum Performance Spark Plugs are designed for everyday use and are a high quality replacement for many vehicles on the road today. These premium aftermarket spark plugs have high-quality suppressors that help prevent misfiring, an improved plug to boot seal, and a pure copper core for greater durability. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function. ACDelco Gold (Professional) parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. These high-quality parts are backed by General Motors. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional.

Product Features:
  • Solid state suppressor, with two-piece glass and brass seal, can help reduce radio frequency interference, regulates spark energy for long electrode life, and helps protect against high combustion pressures
  • Pure copper core provides great heat transfer and helps maximize plug durability
  • Platinum on center electrode enables superior spark characteristics and can reduce voltage requirements of the ignition system
  • Ribless insulator helps optimize plug to boot seal
  • Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
  • Premium aftermarket replacement part
  • Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models
  • High-Quality Suppressors: Designed to help prevent misfiring, ensuring smooth and reliable engine performance.
  • Improved Plug to Boot Seal: Enhances the connection between the spark plug and the ignition system, reducing the risk of leaks and improving overall efficiency.
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Champion – Copper Plus Spark Plug (RS10LC): Dependable Performance & Durability (Part No.403)

Copper Plus Spark Plug (RS10LC): Dependable Performance & Durability

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$2.49
Copper Plus Spark Plug (RS10LC) delivers dependable performance and durability, making it a reliable choice for your vehicle’s ignition system. Featuring a copper core center electrode, it ensures precise heat control and enhanced conductivity, promoting longer life and consistent wear. The patented TinTac and ULTRASEAL coated shell provide superior protection against corrosion, ensuring the spark plug remains resilient in harsh conditions. Additionally, the SAC-9 semiconductor resistor is designed to suppress EMI and RFI interference, contributing to smoother engine operation. Built to ISO and SAE Standards, this spark plug guarantees proven performance and compatibility with a wide range of vehicles. Whether you’re seeking improved ignition efficiency or long-lasting reliability, this spark plug offers exceptional value and quality.

Product Features:
  • Copper Plus – Dependable Performance.
  • Copper core center electrode allows for accurate control of heat range for longer life
  • Patented TinTac and ULTRASEAL coated shell for maximum corrosion resistance
  • Patented SAC-9 semiconductor resistor for maximum EMI & RFI suppression
  • Built to ISO and SAE standards for proven performance
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Champion – Platinum Power Spark Plug (RS10PYC): Powerful Performance & Durability (Part No.3408)

Platinum Power Spark Plug (RS10PYC): Powerful Performance & Durability

from

$4.49
Champion Platinum Power spark plugs are engineered to deliver exceptional performance and durability, making them an ideal choice for maintaining peak engine efficiency. Featuring a platinum center electrode, these spark plugs ensure long-lasting reliability and consistent performance. The fine-wire center electrode enhances ignitability, while the V-trimmed ground electrode sharpens spark focus for optimal combustion. Constructed with the exclusive Heat-Active alloy, these plugs quickly reach and maintain the ideal operating temperature, ensuring smooth engine operation under various conditions. The platinum-tipped center wire resists wear and helps maintain the proper gap specification throughout the plug’s lifespan, reducing the need for frequent replacements. Designed as a standard replacement with a tapered seat type, these spark plugs are compatible with a wide range of vehicles. With a nickel ground electrode tip and integrated resistor, they provide dependable performance and value, making them a smart investment for any vehicle owner seeking reliable ignition components.

Product Features:
  • Platinum Power- Premium Spark Plug. Powerful Performance.
  • Platinum center electrode for long life
  • Fine-wire center electrode for greater ignitability
  • V-trimmed ground electrode promotes sharper spark focus
  • Heat-Active alloy allows electrodes to reach optimal temperature
  • Platinum tipped center wire resists wear and helps to maintain proper gap spec over life of the plug
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NGK – Iridium IX Spark Plug (TR55IX): Outstanding Acceleration & Durability (Part No.7164)

Iridium IX Spark Plug (TR55IX): Outstanding Acceleration & Durability

from

$14.99
NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered c

Product Features:
  • SINGLE IRIDIUM TIP: Fine wire 0.6 millimeter iridium tip center electrode ensures high durability and a consistently stable spark
  • IRIDIUM ALLOY CENTER ELECTRODE: Iridium’s density (6x that of platinum) and extremely high melting point is perfect for modern high efficiency engines
  • TAPERED CUT GROUND ELECTRODE: Reduced quenching design produces outstanding ignitability, improved acceleration, fuel efficiency and durability
  • SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
  • TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
  • RECOMMENDED USAGE: Modified or high performance applications, or as an upgrade to OE nickel alloy spark plugs
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Motorcraft – Double Platinum Spark Plug (AGSF22FM): Enhanced Durability & Reliability (Part No.SP-500)

Double Platinum Spark Plug (AGSF22FM): Enhanced Durability & Reliability

from

$7.49
Double Platinum Spark Plug (AGSF22FM) offers enhanced durability and reliability, making it the ideal choice for maintaining peak engine performance. Specifically engineered to meet strict Ford standards, these spark plugs are an exact fit for Ford, Lincoln, and Mercury vehicles, ensuring seamless compatibility. Featuring a platinum center electrode tip and nickel ground electrode tip, they resist oxidation and arc erosion for long-lasting performance. The multi-rib insulator design protects against misfires, while the tapered seat type ensures a secure fit. With service intervals of up to 100,000 miles, these spark plugs reduce fuel consumption, optimize emissions, and help prevent false check engine lights. Backed by Motorcraft’s Service Parts Warranty, they deliver the same reliable performance as the original equipment installed during manufacturing. Designed for a broad range of applications, these spark plugs are crafted from high-quality materials to provide confidence and reliability for domestic and import cars and trucks of all sizes.

Product Features:
  • Motorcraft spark plugs are matched to specific engines to provide enhanced durability, eliminate misfires, reduce fuel consumption and optimize emissions.
  • Backed by Motorcraft’s Service Parts Warranty
  • Exact fit for Ford, Lincoln and Mercury vehicles
  • Resistant to oxidation and arc erosion.
  • Multi-rib insulator protects against misfire.
  • Service intervals of up to 100,000 miles.
  • Motorcraft Spark Plugs are designed with high quality materials to provide reliable performance for almost any application.
  • Motorcraft Spark Plugs are what was in the vehicle when it was manufactured
  • Motorcraft ignition components help prevent false check engine lights.
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Autolite Iridium – Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition (Part No.XP104)

Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition

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$10.99
Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, the Autolite Iridium XP spark plugs feature an iridium-enhanced 0.6mm finewire design and patented platinum sidewire technology to provide better overall durability and a more focused ignition for enhanced ignitability and performance. Features double Iridium-enhanced alloy technology center electrode for improved durability and wear resistance.

Product Features:
  • 0.6 mm finewire design improves ignitability
  • Patented V-trimmed platinum sidewire technology resists wear
  • OE equivalent design is engineered for every engine
  • Designed for better overall durability with virtually no gap erosion
  • Double Iridium-enhanced alloy technology ensures superior wear resistance for extended plug life.
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DENSO – Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IT16 (Part No.5325)

Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IT16

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$9.99
The Iridium Power Spark Plug features the world’s smallest Iridium Center Electrode at just 0.4mm, delivering unmatched spark precision for maximum combustion efficiency. Engineered with a patented 360-degree laser welding assembly process, this spark plug ensures exceptional durability and reliability under extreme conditions. Its U-groove and taper-cut ground electrode design optimizes flame propagation, enhancing engine performance and fuel efficiency. Built to withstand temperatures exceeding 4000 Deg F, it is burnished with nickel plating for superior high-temperature endurance and corrosion resistance. Designed for versatility, it offers a wide range of part numbers to fit thousands of applications, including classic and collector cars. With its Iridium tip and tapered seat type, this spark plug is the ultimate choice for drivers seeking maximum spark energy, durability, and long-lasting performance.

Product Features:
  • World’s smallest Iridium Center Electrode (0.4mm) for improved spark for maximum combustion
  • Patented 360-degree laser welding assembly process
  • U-groove and taper cut ground electrode to maximize flame propagation.
  • Withstands temperatures greater than 4000 degree Fahrenheit
  • Burnished nickel plating for high temperature endurance and superior corrosion resistance
  • Wide range of part numbers for thousands of applications, including classic and collector cars
  • Iridium Power
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NGK – Iridium IX Spark Plug: Outstanding Acceleration & High Durability (Part No.372)

Iridium IX Spark Plug: Outstanding Acceleration & High Durability

from

$17.99
NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode’s durability is six times harder than platinum. Iridium alloy’s extremely high melting point is perfect for today’s engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.

Product Features:
  • SINGLE IRIDIUM TIP: Fine wire 0.6 millimeter iridium tip center electrode ensures high durability and a consistently stable spark
  • IRIDIUM ALLOY CENTER ELECTRODE: Iridium’s density (6x that of platinum) and extremely high melting point is perfect for modern high efficiency engines
  • TAPERED CUT GROUND ELECTRODE: Reduced quenching design produces outstanding ignitability, improved acceleration, fuel efficiency and durability
  • SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
  • TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
  • RECOMMENDED USAGE: Modified or high performance applications, or as an upgrade to OE nickel alloy spark plugs
  • Outstanding Acceleration and High Fuel Efficiency: NGK Iridium IX spark plugs are engineered to deliver superior acceleration and enhance fuel efficiency, making them ideal for performance enthusiasts.
  • Extreme Ignitability and Anti-Fouling: These spark plugs offer exceptional ignitability and anti-fouling properties, ensuring reliable performance and longevity.
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DENSO – U-Groove Spark Plug: OE Performance, T16EPR-U15 (Part No.5023)

U-Groove Spark Plug: OE Performance, T16EPR-U15

from

$3.49
The U-Groove Spark Plug with its patented U-groove ground electrode design ensures superior ignitability, allowing your engine to fire leaner mixtures for enhanced efficiency and performance. Built with a durable nickel center electrode tip, it delivers long-lasting performance while improving fuel consumption and emission gas purification. Precision machine-rolled threads minimize the risk of seizing or cross-threading, making it ideal for use in delicate aluminum heads. Designed to last twice as long as most conventional plugs, this spark plug is 100% pre-fired to guarantee reliable operation from the start. Its tapered seat type ensures a secure fit, and with a wide range of part numbers available, its compatible with thousands of applications, including classic and collector cars. Whether you’re maintaining a daily driver or restoring a vintage vehicle, this spark plug offers OE performance and exceptional value.

Product Features:
  • Patented U-groove ground electrode design fires leaner mixtures than conventional plugs
  • Precision machine-rolled threads reduce seizing and cross-threading in delicate aluminum heads
  • Wide range of part numbers for thousands of applications, including classic and collector cars
  • Lasts twice as long as most conventional plugs
  • 100 percent pre-fired to assure reliable operation
  • U-Groove Conventional
  • Durable Nickel Center Electrode Tip: Provides long-lasting performance and improved efficiency in emission gas purification and fuel consumption.
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Motorcraft – High Thread Platinum Spark Plug: Enhances Ignition Performance (Part No.SP-514)

High Thread Platinum Spark Plug: Enhances Ignition Performance

from

$12.99
The High Thread Platinum Spark Plug is meticulously designed to elevate your engine’s performance with superior ignition capabilities. Its advanced high thread design ensures a secure fit, significantly reducing the risk of misfires while enhancing overall engine stability for a smoother, more reliable driving experience. Constructed with premium platinum, this spark plug offers exceptional durability and long-lasting performance, making it a dependable choice for maintaining your vehicle’s efficiency over time. Whether you’re looking to optimize fuel combustion or extend the life of your engine components, this spark plug delivers unmatched value and reliability. Built to withstand the demands of daily driving, it is the perfect solution for those seeking consistent, high-quality engine performance.

Product Features:
  • Superior Ignition Performance: Engineered to deliver exceptional ignition performance, ensuring your engine runs smoothly and efficiently.
  • High Thread Design: Provides a secure fit, reducing the risk of misfires and improving overall engine stability.
  • Platinum Construction: Crafted with platinum for exceptional durability and longevity, maintaining optimal engine performance over time.
  • Enhanced Engine Stability: The high thread design enhances engine stability, contributing to a more reliable driving experience.
  • Long-Lasting Durability: Built to last, this spark plug is an ideal choice for those seeking long-term engine performance and reliability.
  • Superior Ignition Performance: Engineered to deliver exceptional ignition performance, ensuring your engine runs smoothly and efficiently.
  • High Thread Design: Provides a secure fit, reducing the risk of misfires and improving overall engine stability.
  • Platinum Construction: Crafted with platinum for exceptional durability and longevity, maintaining optimal engine performance over time.
  • Enhanced Engine Stability: The high thread design enhances engine stability, contributing to a more reliable driving experience.
  • Long-Lasting Durability: Built to last, this spark plug is an ideal choice for those seeking long-term engine performance and reliability.
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NGK – G-Power Platinum Spark Plug (TR55-1GP): Enhanced Durability & Efficiency (Part No.7159)

G-Power Platinum Spark Plug (TR55-1GP): Enhanced Durability & Efficiency

from

$8.49
NGK G-Power Platinum spark plugs are the best single platinum spark plugs at an economical price. G-Power plugs feature a fine wire platinum center electrode and a trapezoidal cut ground electrode that offers increased durability, improved fuel efficiency, lower emissions, faster starts and quicker acceleration over conventional nickel spark plugs. An excellent upgrade for vehicles which used nickel alloy spark plugs originally. For better performance consider upgrading to a NGK Iridium IX plug. For even greater performance consider upgrading to a NGK RUTHENIUM HX plug.

Product Features:
  • SINGLE PLATINUM TIP: Fine wire 0.6 millimeter platinum tip center electrode ensures improved durability and a consistently stable spark
  • PLATINUM ALLOY: G-Power platinum provides exceptional value with increased performance and longer service intervals than factory nickel plugs
  • TRAPEZOIDAL CUT GROUND ELECTRODE: Reduces quenching design produces improved ignitability and performance
  • SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
  • COLD-ROLLED THREADS: Prevents cross-threading and damage to cylinder heads
  • RECOMMENDED USAGE: Lower cost alternative to double precious metal spark plugs or as an upgrade to OE nickel alloy spark plugs
  • Enhanced Performance: Provides better performance over conventional nickel spark plugs, making it a smart choice for vehicle maintenance.
  • Tapered Seat Type: Designed with a tapered seat type for a secure fit and optimal performance.
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NGK – Laser Platinum Spark Plug (PZNAR6A11H): Enhanced Ignitability & Longevity (Part No.5507)

Laser Platinum Spark Plug (PZNAR6A11H): Enhanced Ignitability & Longevity

from

$28.99
NGK Laser Platinum spark plugs provide high ignitability and longer service life compared to conventional nickel spark plugs. Laser Platinum plugs are tested to the highest standards to ensure quality and durability. Engineered specifically for OE applications. Laser platinum plugs provide stable idling, superior anti-fouling, improved fuel efficiency and lower emissions. High-grade pure alumina ceramic and 98% pure copper core prevents spark plug from overheating and provides reliable starts. Most Laser Platinum spark plugs feature a platinum pad on the ground electrode for even wear in distributorless ignition systems.

Product Features:
  • ACTUAL OE or EQUIVALENT DESIGN: OEM quality construction fine wire platinum alloy center electrode provides consistent performance
  • PLATINUM ALLOY CENTER ELECTRODE: Longer wearing and higher temperature resistance compared to traditional nickel spark plugs
  • PLATINUM TIP GROUND ELECTRODE: Unless OE specified, platinum protection at the ground electrode provides excellent ignitability and service life
  • SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
  • TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
  • RECOMMENDED USAGE: Best for vehicles with OE fine wire platinum alloy plugs
  • Enhanced Fuel Efficiency and Lower Emissions: These spark plugs contribute to improved fuel efficiency and reduced emissions, making them an eco-friendly choice.
  • Superior Anti-Fouling and Stable Idling: The advanced design provides stable idling and superior resistance to fouling, ensuring consistent engine performance.
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NGK – V-Power Nickel Spark Plug (TR55): Enhanced Ignitability & Performance (Part No.3951)

V-Power Nickel Spark Plug (TR55): Enhanced Ignitability & Performance

from

$7.49
NGK V-Power spark plugs offer reliable performance and improved ignitability over standard nickel plugs. Engineered specifically for OE applications, the special V-cut nickel alloy center electrode and concave ground electrode of NGK’s V-Power spark plug increases ignitability providing quicker starts and smoother idle. NGK’s legendary high grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance. Trivalent metal plating ensures superior anti-corrosion and anti-seizing properties.

Product Features:
  • ACTUAL OE or EQUIVALENT DESIGN: OEM quality construction nickel alloy center electrode with V-groove provides consistent performance
  • RECOMMENDED USAGE: Best for vehicles with OE nickel alloy plugs, not recommended on vehicles with factory precious metal plugs
  • NGK’s OE CERAMIC TECHNOLOGY: High grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance
  • SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
  • COLD-ROLLED THREADS: Prevents cross-threading and damage to cylinder heads
  • TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
  • Enhanced Ignitability: The V-cut nickel alloy center electrode and concave ground electrode design of NGK V-Power spark plugs provide quicker starts and smoother idle.
  • OE Application Specific: Engineered specifically for Original Equipment (OE) applications, ensuring compatibility and reliable performance.
  • V-Groove Tip Design: The unique V-Groove tip design of the TR55 model enhances ignitability and overall engine performance.
  • Lower Emissions: The NGK Laser Platinum Spark Plug contributes to lower emissions, supporting a cleaner and more environmentally friendly driving experience.
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E3 – DiamondFIRE Automotive Spark Plug (E3.70): More Power & Fuel Savings (Part No.E3.70)

DiamondFIRE Automotive Spark Plug (E3.70): More Power & Fuel Savings

from

$12.99
The Spark Plugs are the product of years of fundamental research in the combustion field. The unique patented electrode configuration of these new The spark plugs increases the amount of combustion pressure created during each power stroke of an engine, which results in a marked increase in power output, fuel economy, and reduced emissions in all gasoline engines. E3.70 is a 16mm, 0.860 reach plug with a taper seat. It fits Ford Triton applications from 2004 to 2008. E3.70 is a unique design that solves a problem with the original OE application. The shell is made as a single piece, as opposed to two pieces, so it resists seizing in the engine and breaking apart when being removed. The automotive plugs have three legs securing the Diamond FIRE electrode to the shell. This allows for excellent heat transfer, and helps to create more turbulence in the cylinder. The patented Diamond FIRE ground electrode is proven to increase power, reduce fuel consumption and improve hydrocarbon emissions in long-term use.

Product Features:
  • The design of the Ford Triton engine can a cause build of carbon on the spark Plug threads, which may make removal difficult. E3.70’s shell is made of a one-piece design, which means it WILL NOT break during removal.
  • E3’s Diamond Fire edge to edge ground electrode provides maximum performance with increased efficiency and a faster more complete burn
  • Smoother Acceleration & Idle – The faster flame initiated by the spark plug results in a more complete burn of the ingested fuel charge. More pressure is created against the piston more fuel is put to work
  • Energy – Power output improved up to 6% on average in the typical operating ranges. Results will vary.
  • Efficiency – The “diamond shaped” side wire electrode projects the combustion spark in a way that more quickly ignites the air/fuel mixture, thereby creating a significantly faster and larger flame kernel. The result is that more fuel is put to work durin
  • E3’s patented Diamond Fire Technology provides a cleaner burning combustion, which translates into fuel savings and reduced engine carbon deposits
  • Enhanced Heat Transfer: Three legs secure the Diamond FIRE electrode to the shell, providing excellent heat transfer and creating more turbulence in the cylinder for better combustion.
  • Specific Fit for Ford Triton: The E3.70 spark plug is designed to fit Ford Triton applications from 2004 to 2008, ensuring compatibility and optimal performance for these vehicles.
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Most Popular Spark Plugs for 2008 Mercury Mountaineers

Enhance your 2008 Mercury Mountaineer with one of the 30 Spark Plugs we have in stock, starting at just $2.49.

Motorcraft – Double Platinum Spark Plug (HJFS24FP): Enhanced Durability & Reliability (Part No.SP-509)

Double Platinum Spark Plug (HJFS24FP): Enhanced Durability & Reliability

from

$14.49
Double Platinum Spark Plug (HJFS24FP) offers exceptional durability and reliability, making it the ideal choice for maintaining peak engine performance. Engineered to meet strict Ford standards, these spark plugs are an exact fit for Ford, Lincoln, and Mercury vehicles, ensuring seamless compatibility. Featuring platinum center and ground electrode tips, they resist oxidation and arc erosion, delivering long-lasting performance with service intervals of up to 100,000 miles. The multi-rib insulator design protects against misfires, while the advanced construction helps reduce fuel consumption, optimize emissions, and prevent false check engine lights. Backed by Motorcraft’s Service Parts Warranty, these spark plugs are crafted with high-quality materials to provide reliable performance across a wide range of domestic and import cars and trucks. Whether you’re replacing original equipment or upgrading, these spark plugs deliver the confidence and reliability you need for smooth, efficient operation.

Product Features:
  • Motorcraft spark plugs are matched to specific engines to provide enhanced durability, eliminate misfires, reduce fuel consumption and optimize emissions.
  • Backed by Motorcraft’s Service Parts Warranty
  • Exact fit for Ford, Lincoln and Mercury vehicles
  • Resistant to oxidation and arc erosion.
  • Multi-rib insulator protects against misfire.
  • Service intervals of up to 100,000 miles.
  • Motorcraft Spark Plugs are designed with high quality materials to provide reliable performance for almost any application.
  • Motorcraft Spark Plugs are what was in the vehicle when it was manufactured
  • Motorcraft ignition components help prevent false check engine lights.
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Motorcraft – Standard Spark Plug: Enhances Durability & Reduces Misfires (Part No.SP-412)

Standard Spark Plug: Enhances Durability & Reduces Misfires

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$4.99
Motorcraft Spark Plugs are original equipment on Ford Motor Company vehicles, engineered to meet strict Ford engineering standards for performance and reliability. These spark plugs are matched to specific engines to provide enhanced durability, eliminate misfires, reduce fuel consumption, and optimize emissions. They are resistant to oxidation and arc erosion, feature a multi-rib insulator to protect against misfire, and are designed with high-quality nickel materials for both the center and ground electrode tips. With service intervals of up to 100,000 miles and backed by Motorcraft’s Service Parts Warranty, these spark plugs ensure an exact fit for Ford, Lincoln, and Mercury vehicles while preventing false check engine lights. Motorcraft Spark Plugs are what was in the vehicle when it was manufactured, providing reliable performance for almost any application.

Product Features:
  • Motorcraft spark plugs are matched to specific engines to provide enhanced durability, eliminate misfires, reduce fuel consumption and optimize emissions.
  • Backed by Motorcraft’s Service Parts Warranty
  • Exact fit for Ford, Lincoln and Mercury vehicles
  • Resistant to oxidation and arc erosion.
  • Multi-rib insulator protects against misfire.
  • Service intervals of up to 100,000 miles.
  • Motorcraft Spark Plugs are designed with high quality materials to provide reliable performance for almost any application.
  • Motorcraft Spark Plugs are what was in the vehicle when it was manufactured
  • Motorcraft ignition components help prevent false check engine lights.
  • High-Quality Nickel Materials: Constructed with high-quality nickel for both the center and ground electrode tips, these spark plugs are resistant to oxidation and arc erosion.
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NGK – G-Power Platinum Spark Plug (TR55-1GP): Enhanced Durability & Efficiency (Part No.7159)

G-Power Platinum Spark Plug (TR55-1GP): Enhanced Durability & Efficiency

from

$8.49
NGK G-Power Platinum spark plugs are the best single platinum spark plugs at an economical price. G-Power plugs feature a fine wire platinum center electrode and a trapezoidal cut ground electrode that offers increased durability, improved fuel efficiency, lower emissions, faster starts and quicker acceleration over conventional nickel spark plugs. An excellent upgrade for vehicles which used nickel alloy spark plugs originally. For better performance consider upgrading to a NGK Iridium IX plug. For even greater performance consider upgrading to a NGK RUTHENIUM HX plug.

Product Features:
  • SINGLE PLATINUM TIP: Fine wire 0.6 millimeter platinum tip center electrode ensures improved durability and a consistently stable spark
  • PLATINUM ALLOY: G-Power platinum provides exceptional value with increased performance and longer service intervals than factory nickel plugs
  • TRAPEZOIDAL CUT GROUND ELECTRODE: Reduces quenching design produces improved ignitability and performance
  • SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
  • COLD-ROLLED THREADS: Prevents cross-threading and damage to cylinder heads
  • RECOMMENDED USAGE: Lower cost alternative to double precious metal spark plugs or as an upgrade to OE nickel alloy spark plugs
  • Enhanced Performance: Provides better performance over conventional nickel spark plugs, making it a smart choice for vehicle maintenance.
  • Tapered Seat Type: Designed with a tapered seat type for a secure fit and optimal performance.
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Autolite – Double Platinum Spark Plug (APP5143): Enhanced Durability & Performance (Part No.APP5143)

Double Platinum Spark Plug (APP5143): Enhanced Durability & Performance

from

$6.99
Autolite Double Platinum spark plugs are engineered for exceptional durability and performance, featuring a platinum-to-platinum design that minimizes gap erosion and reduces misfires for a longer service life. Ideal for distributor-less ignition system (DIS) engines, these spark plugs outperform copper and standard platinum plugs. The yttrium-enhanced ground electrode ensures superior heat transfer, maintaining durability under high temperatures and pressure, while the high alumina ceramic insulator optimizes thermal conductivity and dielectric strength. A multi-rib insulator prevents flash-over, ensuring reliable ignition performance. With a long projection center electrode and tapered seat type, these spark plugs are designed for precision and efficiency. Proudly engineered in the USA with over 100 years of expertise and a proven track record of over 11 billion plugs sold, Autolite continues to set the benchmark in spark plug technology. Whether you’re seeking enhanced durability or superior ignition performance, these spark plugs deliver unmatched value and reliability.

Product Features:
  • Engineered with a platinum-to-platinum design that prevents gap erosion, extending the life of the spark plug.
  • The yttrium-Enhanced Ground Electrode delivers superior heat transfer that delivers more durability under high temps and pressure for greater life.
  • Its high alumina ceramic insulator provides optimum thermal conductivity and dielectric strength.
  • The multi-rib insulator prevents flash-over.
  • Engineered in the USA: Designed and engineered with over 100 years of expertise, ensuring high-quality and reliable performance.
  • Proven Track Record: With more than 11 billion plugs sold, Autolite continues to set the standard in spark plug technology.
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NGK – Iridium IX Spark Plug (TR55-1IX): Enhanced Acceleration & Durability (Part No.7316)

Iridium IX Spark Plug (TR55-1IX): Enhanced Acceleration & Durability

from

$16.99
NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode’s durability is six times harder than platinum. Iridium alloy’s extremely high melting point is perfect for today’s engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.

Product Features:
  • SINGLE IRIDIUM TIP: Fine wire 0.6 millimeter iridium tip center electrode ensures high durability and a consistently stable spark
  • IRIDIUM ALLOY CENTER ELECTRODE: Iridium’s density (6x that of platinum) and extremely high melting point is perfect for modern high efficiency engines
  • TAPERED CUT GROUND ELECTRODE: Reduced quenching design produces outstanding ignitability, improved acceleration, fuel efficiency and durability
  • SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
  • TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
  • RECOMMENDED USAGE: Modified or high performance applications, or as an upgrade to OE nickel alloy spark plugs
See More

NGK – G-Power Spark Plug (ZNAR6AGP): Enhanced Durability & Fuel Efficiency (Part No.1698)

G-Power Spark Plug (ZNAR6AGP): Enhanced Durability & Fuel Efficiency

from

$9.49
NGK G-Power Platinum spark plugs are the best single platinum spark plugs at an economical price. G-Power plugs feature a fine wire platinum center electrode and a trapezoidal cut ground electrode that offers increased durability, improved fuel efficiency, lower emissions, faster starts and quicker acceleration over conventional nickel spark plugs. An excellent upgrade for vehicles which used nickel alloy spark plugs originally. For better performance consider upgrading to a NGK Iridium IX plug. For even greater performance consider upgrading to a NGK RUTHENIUM HX plug.

Product Features:
  • SINGLE PLATINUM TIP: Fine wire 0.6 millimeter platinum tip center electrode ensures improved durability and a consistently stable spark
  • PLATINUM ALLOY: G-Power platinum provides exceptional value with increased performance and longer service intervals than factory nickel plugs
  • TRAPEZOIDAL CUT GROUND ELECTRODE: Reduces quenching design produces improved ignitability and performance
  • SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
  • COLD-ROLLED THREADS: Prevents cross-threading and damage to cylinder heads
  • RECOMMENDED USAGE: Lower cost alternative to double precious metal spark plugs or as an upgrade to OE nickel alloy spark plugs
  • Enhanced Vehicle Performance: Delivers better overall engine performance, making it an excellent choice for those seeking an upgrade from standard spark plugs.
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ACDelco – Double Platinum Spark Plug: Long-Lasting Performance & Durability (Part No.41-908)

Double Platinum Spark Plug: Long-Lasting Performance & Durability

from

$10.99
ACDelco GM Original Equipment Double Platinum Spark Plugs are designed, engineered, and tested to rigorous standards, and are backed by General Motors. With a copper core and double platinum pads on the center electrode, these plugs are designed to deliver long-lasting performance. ACDelco GM Original Equipment parts are the true OE parts installed during the production or validated by General Motors for GM vehicles. Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional.

Product Features:
  • One-piece, fired-in suppressor seal blends three glass types for a gas-tight seal that helps reduce radio frequency and engine interference, regulate spark plug energy, and protect against compression pressures for long life
  • Double platinum point pad on center and ground electrode offer excellent durability and consistent voltage demands to help reduce wear on ignition system
  • Pure copper core results in cooler electrode temperature for maximized durability and fouling resistance
  • Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional
  • ACDelco GM Original Equipment parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
  • Durable Construction: Featuring a copper core and double platinum pads on the center electrode, these spark plugs are designed to deliver long-lasting performance.
  • High-Quality Materials: The center electrode tip is made of platinum, ensuring reliable and efficient ignition.
  • Enhanced Performance: Equipped with a resistor type design and a tapered seat type, these spark plugs provide optimal performance and fit.
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DENSO – Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IT20 (Part No.5326)

Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IT20

from

$13.99
The Iridium Power Spark Plug features the world’s smallest Iridium Center Electrode at just 0.4mm, delivering enhanced spark energy for maximum combustion efficiency. Engineered with a patented 360-degree laser welding assembly process, this spark plug ensures unmatched durability and precision. Its U-groove and taper-cut ground electrode design optimizes flame propagation, resulting in improved engine performance. Built to withstand extreme temperatures exceeding 4000 degrees Fahrenheit, it is burnished with nickel plating for exceptional high-temperature endurance and superior corrosion resistance. Designed for versatility, it offers a wide range of part numbers to fit thousands of applications, including classic and collector cars. With its advanced Iridium tip material and tapered seat type, this spark plug is the ultimate choice for drivers seeking peak performance and long-lasting reliability.

Product Features:
  • World’s smallest Iridium Center Electrode (0.4mm) for improved spark for maximum combustion
  • Patented 360-degree laser welding assembly process
  • U-groove and taper cut ground electrode to maximize flame propagation.
  • Withstands temperatures greater than 4000 degree Fahrenheit
  • Burnished nickel plating for high temperature endurance and superior corrosion resistance
  • Wide range of part numbers for thousands of applications, including classic and collector cars
  • Iridium Power
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Motorcraft – High Thread Platinum Spark Plug: Enhances Ignition Performance (Part No.SP-514)

High Thread Platinum Spark Plug: Enhances Ignition Performance

from

$12.99
The High Thread Platinum Spark Plug is meticulously designed to elevate your engine’s performance with superior ignition capabilities. Its advanced high thread design ensures a secure fit, significantly reducing the risk of misfires while enhancing overall engine stability for a smoother, more reliable driving experience. Constructed with premium platinum, this spark plug offers exceptional durability and long-lasting performance, making it a dependable choice for maintaining your vehicle’s efficiency over time. Whether you’re looking to optimize fuel combustion or extend the life of your engine components, this spark plug delivers unmatched value and reliability. Built to withstand the demands of daily driving, it is the perfect solution for those seeking consistent, high-quality engine performance.

Product Features:
  • Superior Ignition Performance: Engineered to deliver exceptional ignition performance, ensuring your engine runs smoothly and efficiently.
  • High Thread Design: Provides a secure fit, reducing the risk of misfires and improving overall engine stability.
  • Platinum Construction: Crafted with platinum for exceptional durability and longevity, maintaining optimal engine performance over time.
  • Enhanced Engine Stability: The high thread design enhances engine stability, contributing to a more reliable driving experience.
  • Long-Lasting Durability: Built to last, this spark plug is an ideal choice for those seeking long-term engine performance and reliability.
  • Superior Ignition Performance: Engineered to deliver exceptional ignition performance, ensuring your engine runs smoothly and efficiently.
  • High Thread Design: Provides a secure fit, reducing the risk of misfires and improving overall engine stability.
  • Platinum Construction: Crafted with platinum for exceptional durability and longevity, maintaining optimal engine performance over time.
  • Enhanced Engine Stability: The high thread design enhances engine stability, contributing to a more reliable driving experience.
  • Long-Lasting Durability: Built to last, this spark plug is an ideal choice for those seeking long-term engine performance and reliability.
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E3 – DiamondFIRE Automotive Spark Plug (E3.70): More Power & Fuel Savings (Part No.E3.70)

DiamondFIRE Automotive Spark Plug (E3.70): More Power & Fuel Savings

from

$12.99
The Spark Plugs are the product of years of fundamental research in the combustion field. The unique patented electrode configuration of these new The spark plugs increases the amount of combustion pressure created during each power stroke of an engine, which results in a marked increase in power output, fuel economy, and reduced emissions in all gasoline engines. E3.70 is a 16mm, 0.860 reach plug with a taper seat. It fits Ford Triton applications from 2004 to 2008. E3.70 is a unique design that solves a problem with the original OE application. The shell is made as a single piece, as opposed to two pieces, so it resists seizing in the engine and breaking apart when being removed. The automotive plugs have three legs securing the Diamond FIRE electrode to the shell. This allows for excellent heat transfer, and helps to create more turbulence in the cylinder. The patented Diamond FIRE ground electrode is proven to increase power, reduce fuel consumption and improve hydrocarbon emissions in long-term use.

Product Features:
  • The design of the Ford Triton engine can a cause build of carbon on the spark Plug threads, which may make removal difficult. E3.70’s shell is made of a one-piece design, which means it WILL NOT break during removal.
  • E3’s Diamond Fire edge to edge ground electrode provides maximum performance with increased efficiency and a faster more complete burn
  • Smoother Acceleration & Idle – The faster flame initiated by the spark plug results in a more complete burn of the ingested fuel charge. More pressure is created against the piston more fuel is put to work
  • Energy – Power output improved up to 6% on average in the typical operating ranges. Results will vary.
  • Efficiency – The “diamond shaped” side wire electrode projects the combustion spark in a way that more quickly ignites the air/fuel mixture, thereby creating a significantly faster and larger flame kernel. The result is that more fuel is put to work durin
  • E3’s patented Diamond Fire Technology provides a cleaner burning combustion, which translates into fuel savings and reduced engine carbon deposits
  • Enhanced Heat Transfer: Three legs secure the Diamond FIRE electrode to the shell, providing excellent heat transfer and creating more turbulence in the cylinder for better combustion.
  • Specific Fit for Ford Triton: The E3.70 spark plug is designed to fit Ford Triton applications from 2004 to 2008, ensuring compatibility and optimal performance for these vehicles.
See More

NGK – V-Power Nickel Spark Plug (TR55-1): Enhanced Ignitability & Performance (Part No.2683)

V-Power Nickel Spark Plug (TR55-1): Enhanced Ignitability & Performance

from

$5.99
NGK V-Power spark plugs offer reliable performance and improved ignitability over standard nickel plugs. Engineered specifically for OE applications, the special V-cut nickel alloy center electrode and concave ground electrode of NGK’s V-Power spark plug increases ignitability providing quicker starts and smoother idle. NGK’s legendary high grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance. Trivalent metal plating ensures superior anti-corrosion and anti-seizing properties.

Product Features:
  • ACTUAL OE or EQUIVALENT DESIGN: OEM quality construction nickel alloy center electrode with V-groove provides consistent performance
  • RECOMMENDED USAGE: Best for vehicles with OE nickel alloy plugs, not recommended on vehicles with factory precious metal plugs
  • NGK’s OE CERAMIC TECHNOLOGY: High grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance
  • SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
  • COLD-ROLLED THREADS: Prevents cross-threading and damage to cylinder heads
  • TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
  • Enhanced Ignitability: The V-cut nickel alloy center electrode and concave ground electrode design of NGK V-Power spark plugs provide quicker starts and smoother idle.
  • OE Application Specific: Engineered specifically for Original Equipment (OE) applications, ensuring compatibility and reliable performance.
  • V-Groove Tip Design: The unique V-Groove tip design of the TR55-1 model enhances ignitability and overall engine performance.
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Autolite – Platinum Spark Plug (AP5143): Improved Performance & Durability (Part No.AP5143)

Platinum Spark Plug (AP5143): Improved Performance & Durability

from

$4.99
Autolite Platinum spark plugs are crafted for exceptional performance and durability, making them ideal for older engine applications. Featuring a platinum center electrode firing tip, these spark plugs ensure quicker firing, smoother starts, and enhanced fuel efficiency. The platinum design prevents gap erosion, extending service life, while the high alumina ceramic insulator offers superior thermal conductivity and insulation for added strength. A multi-rib insulator minimizes flash-over, and the nickel-plated shell resists corrosion, ensuring long-lasting reliability. With a long projection center electrode and tapered seat type, these performance-grade spark plugs deliver consistent ignition and improved acceleration. Designed with a nickel ground electrode tip and integrated resistor, they provide optimal functionality for demanding engine conditions.

Product Features:
  • Engineered with a platinum firing tip that prevents gap erosion for longer service life.
  • Its high alumina ceramic insulator provides thermal conductivity and superior insulation for increased strength.
  • The multi-rib insulator prevents flash-over.
  • Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended life.
  • Incorporates a long projection center electrode and tapered seat type for consistent ignition and improved acceleration.
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NGK – Iridium IX Spark Plug: Outstanding Acceleration & High Durability (Part No.372)

Iridium IX Spark Plug: Outstanding Acceleration & High Durability

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$17.99
NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode’s durability is six times harder than platinum. Iridium alloy’s extremely high melting point is perfect for today’s engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.

Product Features:
  • SINGLE IRIDIUM TIP: Fine wire 0.6 millimeter iridium tip center electrode ensures high durability and a consistently stable spark
  • IRIDIUM ALLOY CENTER ELECTRODE: Iridium’s density (6x that of platinum) and extremely high melting point is perfect for modern high efficiency engines
  • TAPERED CUT GROUND ELECTRODE: Reduced quenching design produces outstanding ignitability, improved acceleration, fuel efficiency and durability
  • SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
  • TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
  • RECOMMENDED USAGE: Modified or high performance applications, or as an upgrade to OE nickel alloy spark plugs
  • Outstanding Acceleration and High Fuel Efficiency: NGK Iridium IX spark plugs are engineered to deliver superior acceleration and enhance fuel efficiency, making them ideal for performance enthusiasts.
  • Extreme Ignitability and Anti-Fouling: These spark plugs offer exceptional ignitability and anti-fouling properties, ensuring reliable performance and longevity.
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Autolite Iridium – Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition (Part No.XP5143)

Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition

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$9.99
Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, the Autolite Iridium XP spark plugs feature an iridium-enhanced 0.6mm finewire design and patented platinum sidewire technology to provide better overall durability and a more focused ignition for enhanced ignitability and performance. Features double Iridium-enhanced alloy technology center electrode for improved durability and wear resistance.

Product Features:
  • 0.6 mm finewire design improves ignitability
  • Patented V-trimmed platinum sidewire technology resists wear
  • OE equivalent design is engineered for every engine
  • Designed for better overall durability with virtually no gap erosion
  • Double Iridium-enhanced alloy technology ensures superior wear resistance for extended plug life.
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DENSO – Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, IT20TT (Part No.4714)

Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, IT20TT

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$12.99
The Iridium TT Spark Plug combines the durability of an OE-style plug with the enhanced power and torque of high-performance engineering. Featuring a 0.4mm Iridium center electrode – the world’s smallest diameter – it maximizes firing potential for superior ignition. The 0.7mm needle tip ground electrode promotes higher spark energy while reducing heat quenching, ensuring consistent performance. Built with DENSO’s patented Iridium-Rhodium alloy formula, this spark plug boasts the highest concentration of Iridium among competitors, delivering unmatched durability. The 360-degree laser welding process guarantees a robust bond and structural integrity, even under extreme conditions. With the ability to withstand temperatures exceeding 4000 Deg F, this plug is engineered for ultimate endurance. Its tapered seat design ensures a precise fit, making it a reliable choice for those seeking long-lasting performance and efficiency.

Product Features:
  • 0.4mm Iridium Center Electrode: World’s Smallest Diameter that maximizes firing potential
  • 0.7mm Needle Tip Ground Electrode: Promotes higher spark energy and less heat quenching
  • DENSO Patented Optimized Iridium-Rhodium Alloy Formula: Highest concentration of Iridium vs. competitors for greater durability
  • DENSO Patented 360 degree laser welding process: Ensuring exceptional quality bond and structural strength with the Iridium Center Electrode
  • Durability of an OE style plug combined with Power and Torque of high performance.
  • Withstands temperatures greater than 4000 degree Fahrenheit
  • Iridium TT
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ACDelco – RAPIDFIRE Spark Plug: Enhanced Durability & Reliable Performance (Part No.6)

RAPIDFIRE Spark Plug: Enhanced Durability & Reliable Performance

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$7.99
ACDelco Gold (Professional) RAPIDFIRE Spark Plugs are a high quality alternative to Original Equipment (OE) parts. These RAPIDFIRE Single Platinum Performance Spark Plugs are designed for everyday use and are a high quality replacement for many vehicles on the road today. These premium aftermarket spark plugs have high-quality suppressors that help prevent misfiring, an improved plug to boot seal, and a pure copper core for greater durability. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function. ACDelco Gold (Professional) parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. These high-quality parts are backed by General Motors. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional.

Product Features:
  • Solid state suppressor, with two-piece glass and brass seal, can help reduce radio frequency interference, regulates spark energy for long electrode life, and helps protect against high combustion pressures
  • Pure copper core provides great heat transfer and helps maximize plug durability
  • Platinum on center electrode enables superior spark characteristics and can reduce voltage requirements of the ignition system
  • Ribless insulator helps optimize plug to boot seal
  • Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
  • Premium aftermarket replacement part
  • Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models
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E3 – DiamondFIRE Automotive Spark Plug: More Power & Fuel Efficiency (Part No.E3.53)

DiamondFIRE Automotive Spark Plug: More Power & Fuel Efficiency

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$8.49
The Premium DiamondFire Automotive Spark Plug is engineered to deliver peak performance and efficiency for your vehicle. Featuring E3’s patented Diamond Fire edge-to-edge ground electrode, it ensures a faster, more complete burn for smoother acceleration and idle. The innovative “diamond-shaped” side wire electrode enhances combustion by quickly igniting the air/fuel mixture, resulting in a larger and faster flame kernel. This translates to improved power output – up to 6% on average – and better fuel efficiency, saving you money while reducing engine carbon deposits. Constructed with durable nickel for both the center and ground electrode tips, this spark plug is built to last. Its tapered seat design ensures a secure fit, and the pre-gapped configuration eliminates the need for adjustments, making installation hassle-free. With its advanced technology, this spark plug not only boosts performance but also promotes cleaner combustion, making it a smart upgrade for any vehicle.

Product Features:
  • E3’s Diamond Fire edge to edge ground electrode provides maximum performance with increased efficiency and a faster more complete burn
  • Smoother Acceleration & Idle – The faster flame initiated by the spark plug results in a more complete burn of the ingested fuel charge. More pressure is created against the piston more fuel is put to work
  • Energy – Power output improved up to 6% on average in the typical operating ranges. Results will vary.
  • Efficiency – The “diamond shaped” side wire electrode projects the combustion spark in a way that more quickly ignites the air/fuel mixture, thereby creating a significantly faster and larger flame kernel. The result is that more fuel is put to work durin
  • E3’s patented Diamond Fire Technology provides a cleaner burning combustion, which translates into fuel savings and reduced engine carbon deposits
  • The Spark Plugs are pre-gapped at the factory and cannot be adjusted.
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Autolite – High Thread Spark Plug: Enhanced Durability & Focused Ignition (Part No.HT1)

High Thread Spark Plug: Enhanced Durability & Focused Ignition

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$13.99
Autolite High Thread Pro plugs are expertly crafted for Ford 3V engines, offering a patented design that ensures peak performance and reliability. Engineered with a fine-wire platinum center electrode and an extra-long special projection, these plugs deliver focused ignition power and extended service life. The ground strap enhances heat transfer, while the proprietary design boosts heat management, fouling resistance, and dielectric strength. Featuring a nickel-plated shell, they provide superior corrosion protection, ensuring durability in demanding conditions. The tapered seat and thread positioning above the cylinder head create a compressive seal for optimal engine efficiency. Perfect for performance-grade applications, these spark plugs are designed to maximize power, improve ignition precision, and maintain consistent engine operation.

Product Features:
  • Engineered with a fine-wire platinum design that provides more focused ignition power and longer service life.
  • The ground strap provides improved heat transfer over standard J-gap plugs.
  • Its proprietary design improves performance for heat management, fouling resistance & increased dielectric strength.
  • The position of the thread above the cylinder head seating allows for a more compressive seal.
  • Designed with a nickel-plated shell that delivers increased protection against corrosion.
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Champion – Double Platinum Power Spark Plug (7989): Enhanced Durability & Performance (Part No.7989)

Double Platinum Power Spark Plug (7989): Enhanced Durability & Performance

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$21.99
Champion Double Platinum Power spark plugs are engineered for enhanced durability and performance, making them a premium choice for your vehicle. Featuring a platinum fine-wire center electrode and platinum pad ground electrode, these spark plugs deliver greater wear resistance and sharper spark focus for reliable ignition. The Heat-Active alloy ensures the electrodes reach optimal temperature, maintaining stable operation under all engine loads. With a V-trimmed ground electrode design, these spark plugs promote precise spark focus for improved ignitability. As an OE replacement, they are designed to seamlessly fit your vehicle, offering compatibility and dependable performance. Whether you’re seeking a standard replacement or aiming to boost your engine’s efficiency, these spark plugs provide powerful performance and long-lasting reliability.

Product Features:
  • Double Platinum Power – Premium Spark Plug. More Powerful Performance.
  • Platinum center and ground electrode for greater wear resistance
  • Maintains stable operating temperature under all engine loads
  • Fine-wire center electrode for greater ignitability
  • V-trimmed ground electrode promotes sharper spark focus
  • Heat-Active alloy allows electrodes to reach optimal temperature
  • OE Replacement: Designed as an original equipment replacement, ensuring compatibility and reliable performance for your vehicle.
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Motorcraft – High Thread Platinum Spark Plug (PZK1F): Enhanced Durability & Reliability (Part No.SP-547)

High Thread Platinum Spark Plug (PZK1F): Enhanced Durability & Reliability

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$18.49
High Thread Platinum Spark Plug (PZK1F) is engineered to deliver exceptional durability and reliability, making it the ideal choice for Ford, Lincoln, and Mercury vehicles. Designed with a platinum center electrode tip, it resists oxidation and arc erosion, ensuring long-lasting performance and service intervals of up to 100,000 miles. Matched precisely to specific engines, these spark plugs help eliminate misfires, reduce fuel consumption, and optimize emissions, providing a smoother and more efficient driving experience. The multi-rib insulator adds an extra layer of protection against misfires, while the high-quality materials ensure reliable performance across a wide range of applications, including domestic and import cars and trucks. Backed by Motorcraft’s Service Parts Warranty, these spark plugs are the same trusted components found in your vehicle at the time of manufacture, offering peace of mind and confidence. Motorcraft ignition components also help prevent false check engine lights, making them a smart investment for maintaining your vehicle’s performance and reliability.

Product Features:
  • Motorcraft spark plugs are matched to specific engines to provide enhanced durability, eliminate misfires, reduce fuel consumption and optimize emissions.
  • Backed by Motorcraft’s Service Parts Warranty
  • Exact fit for Ford, Lincoln and Mercury vehicles
  • Resistant to oxidation and arc erosion.
  • Multi-rib insulator protects against misfire.
  • Service intervals of up to 100,000 miles.
  • Motorcraft Spark Plugs are designed with high quality materials to provide reliable performance for almost any application.
  • Motorcraft Spark Plugs are what was in the vehicle when it was manufactured
  • Motorcraft ignition components help prevent false check engine lights.
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Champion – Iridium Spark Plug (RET8ZWYPB): Maximum Performance & Longevity (Part No.9406)

Iridium Spark Plug (RET8ZWYPB): Maximum Performance & Longevity

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$8.99
Champion Iridium Spark Plug is engineered for maximum performance and durability, making it the ultimate choice for demanding drivers. Featuring a fine-wire iridium center electrode and platinum ground electrodes, it delivers exceptional ignitability and a sharper spark focus for enhanced engine efficiency. The V-trimmed ground electrode ensures precise spark delivery, while the Heat-Active alloy allows the electrodes to quickly reach and maintain optimal operating temperatures under all engine loads. Designed with a tapered seat and resistor type, this premium spark plug offers superior performance and extended longevity. Whether you’re looking for stable operation or maximum life, the Champion Iridium Spark Plug is built to meet the highest Standards of reliability and performance.

Product Features:
  • Champion Iridium – Maximum Performance. Premium Spark Plug
  • Iridium center electrode delivers maximum life
  • Fine-wire center electrode and V-trimmed for greater ignitability
  • V-trimmed ground electrode promotes sharper spark focus
  • Maintains stable operating temperature under all engine loads
  • Heat-Active alloy allows electrodes to reach optimal temperature quickly
  • Platinum Ground Electrodes: Equipped with platinum ground electrodes, this spark plug promotes a sharper spark focus for enhanced ignitability.
  • Tapered Seat and Resistor Type: Designed with a tapered seat type and resistor type, the Champion Iridium Spark Plug ensures superior performance and longevity.
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NGK – Laser Platinum Spark Plug (PZNAR6A11H): Enhanced Ignitability & Longevity (Part No.5507)

Laser Platinum Spark Plug (PZNAR6A11H): Enhanced Ignitability & Longevity

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$28.99
NGK Laser Platinum spark plugs provide high ignitability and longer service life compared to conventional nickel spark plugs. Laser Platinum plugs are tested to the highest standards to ensure quality and durability. Engineered specifically for OE applications. Laser platinum plugs provide stable idling, superior anti-fouling, improved fuel efficiency and lower emissions. High-grade pure alumina ceramic and 98% pure copper core prevents spark plug from overheating and provides reliable starts. Most Laser Platinum spark plugs feature a platinum pad on the ground electrode for even wear in distributorless ignition systems.

Product Features:
  • ACTUAL OE or EQUIVALENT DESIGN: OEM quality construction fine wire platinum alloy center electrode provides consistent performance
  • PLATINUM ALLOY CENTER ELECTRODE: Longer wearing and higher temperature resistance compared to traditional nickel spark plugs
  • PLATINUM TIP GROUND ELECTRODE: Unless OE specified, platinum protection at the ground electrode provides excellent ignitability and service life
  • SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
  • TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
  • RECOMMENDED USAGE: Best for vehicles with OE fine wire platinum alloy plugs
  • Enhanced Fuel Efficiency and Lower Emissions: These spark plugs contribute to improved fuel efficiency and reduced emissions, making them an eco-friendly choice.
  • Superior Anti-Fouling and Stable Idling: The advanced design provides stable idling and superior resistance to fouling, ensuring consistent engine performance.
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Accel – HP Copper Spark Plug: Superior Heat Dissipation & Stronger Spark (Part No.8160C1)

HP Copper Spark Plug: Superior Heat Dissipation & Stronger Spark

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$184.99
ACCEL HP Spark Plugs are made with a Copper core which is a better conductor than Platinum and Iridium. They deliver a stronger spark especially in high performance applications where high combustion pressures are present. Copper is much better at dissipating heat than other materials which lessens the chance of a misfire. ACCEL HP Spark Plugs are capable allowing you to open the gap exposing a larger flame kernel or close it if needed for high boost applications. All ACCEL HP Spark Plugs have machine rolled threads allowing for a more precise thread engagement and torque retention.

Product Features:
  • One Piece Design – Won’t break off in head during removal like two piece designs
  • The Copper core is a better conductor than Iridium or Platinum plugs
  • Copper dissipates heat much better than other materials
  • C – Cut Design un-shrouds the spark kernel for a better burn
  • Unlike Iridium or Platinum plugs, the ACCEL HP plugs are capable
  • Machine rolled threads for precise thread engagement
  • One step colder than stock
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Accel – Spark Plug: Ford Late V8 3-V, 1 Range Colder, 8 Pack (Part No.8161C1)

Spark Plug: Ford Late V8 3-V, 1 Range Colder, 8 Pack

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$166.99
ACCEL HP Spark Plugs are made with a Copper core which is a better conductor than Platinum and Iridium. They deliver a stronger spark especially in high performance applications where high combustion pressures are present. Copper is much better at dissipating heat than other materials which lessens the chance of a misfire. ACCEL HP Spark Plugs are capable allowing you to open the gap exposing a larger flame kernel or close it if needed for high boost applications. All ACCEL HP Spark Plugs have machine rolled threads allowing for a more precise thread engagement and torque retention.

Product Features:
  • The Copper core is a better conductor than Iridium or Platinum plugs
  • Copper dissipates heat much better than other materials
  • C – Cut Design un-shrouds the spark kernel for a better burn
  • Unlike Iridium or Platinum plugs, the ACCEL HP plugs are capable
  • Machine rolled threads for precise thread engagement
  • One step colder than stock
  • Whether using on the street or on the strip, ACCEL HP Copper Core spark plugs deliver.
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Accel – HP Copper Spark Plug (346): Superior Heat Dissipation & Performance (Part No.8160)

HP Copper Spark Plug (346): Superior Heat Dissipation & Performance

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$165.99
ACCEL HP Spark Plugs are made with a Copper core which is a better conductor than Platinum and Iridium. They deliver a stronger spark especially in high performance applications where high combustion pressures are present. Copper is much better at dissipating heat than other materials which lessens the chance of a misfire. ACCEL HP Spark Plugs are capable allowing you to open the gap exposing a larger flame kernel or close it if needed for high boost applications. All ACCEL HP Spark Plugs have machine rolled threads allowing for a more precise thread engagement and torque retention.

Product Features:
  • For use with Black Coil Boot, OE Coil 3L3E or ACCEL 140033 or 140033-8
  • One Piece Design – Won’t break off in head during removal like two piece design
  • Copper Core – Copper is a better conductor than Iridium or Platinum plugs
  • Heat Dissipation – Copper dissipates Heat Much better than other materials
  • C – Cut Design – un-shrouding the spark kernel
  • See PN 346 for Single Spark Plug
  • Gapable – Unlike Iridium or Platinum
  • Machine Rolled Threads-Precise thread engagement
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Motorcraft – Platinum Spark Plug: Fine Wire Design for Enhanced Ignition (Part No.SP-547-X)

Platinum Spark Plug: Fine Wire Design for Enhanced Ignition

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$17.99
The Platinum Spark Plug with a fine wire center electrode design is engineered for superior ignition performance and efficiency. Featuring a platinum center electrode tip, it ensures excellent conductivity and durability, providing reliable starts and consistent combustion over time. The ground electrode tip, crafted from nickel, complements the design for optimal spark delivery. Its tapered seat type ensures a secure fit, reducing the risk of gas leakage and enhancing overall engine performance. This spark plug is built to withstand high temperatures and demanding conditions, making it a dependable choice for maintaining your vehicle’s peak performance. With its advanced materials and precision engineering, it offers long-lasting value and improved fuel efficiency, making it an essential upgrade for your ignition system.

Product Features:
  • Fine wire center electrode design enhances ignition performance and ensures efficient combustion.
  • Platinum center electrode tip provides excellent conductivity and long-lasting durability.
  • Nickel ground electrode tip optimizes spark delivery for reliable engine starts.
  • Tapered seat type ensures a secure fit, minimizing gas leakage and improving engine performance.
  • Engineered to withstand high temperatures and demanding conditions for dependable operation.
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Motorcraft – Spark Plug: Enhanced Durability & Optimized Performance (Part No.SP-509-X)

Spark Plug: Enhanced Durability & Optimized Performance

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$15.49
Motorcraft Spark Plugs are expertly crafted to deliver enhanced durability, reliable performance, and optimized emissions for Ford, Lincoln, and Mercury vehicles. Designed with platinum center and ground electrode tips, these spark plugs resist oxidation and arc erosion, ensuring long-lasting functionality. The multi-rib insulator minimizes misfires, while the tapered seat type guarantees an exact fit for your engine. With service intervals of up to 100,000 miles, these spark plugs reduce fuel consumption and help prevent false check engine lights, offering peace of mind and cost savings. Backed by Motorcraft’s Service Parts Warranty, they are the original equipment choice for Ford Motor Company vehicles, providing the same trusted quality as when your vehicle was first manufactured. Perfect for domestic and import cars and trucks, Motorcraft Spark Plugs are engineered to meet strict Ford standards, making them a dependable solution for maintaining peak engine performance.

Product Features:
  • Motorcraft spark plugs are matched to specific engines to provide enhanced durability, eliminate misfires, reduce fuel consumption and optimize emissions.
  • Backed by Motorcraft’s Service Parts Warranty
  • Exact fit for Ford, Lincoln and Mercury vehicles
  • Resistant to oxidation and arc erosion.
  • Multi-rib insulator protects against misfire.
  • Service intervals of up to 100,000 miles.
  • Motorcraft Spark Plugs are designed with high quality materials to provide reliable performance for almost any application.
  • Motorcraft Spark Plugs are what was in the vehicle when it was manufactured
  • Motorcraft ignition components help prevent false check engine lights.
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Motorcraft – High-Durability Spark Plug: Reduces Fuel Consumption & Misfires (Part No.SP-412-X)

High-Durability Spark Plug: Reduces Fuel Consumption & Misfires

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$4.99
Motorcraft Spark Plugs are original equipment on Ford Motor Company vehicles, engineered to meet strict Ford engineering standards for performance and reliability. These spark plugs are matched to specific engines to provide enhanced durability, eliminate misfires, reduce fuel consumption, and optimize emissions. They are resistant to oxidation and arc erosion, feature a multi-rib insulator to protect against misfire, and offer service intervals of up to 100,000 miles. Backed by Motorcraft’s Service Parts Warranty, these spark plugs are an exact fit for Ford, Lincoln, and Mercury vehicles and are designed with high-quality materials to provide reliable performance for almost any application. Motorcraft ignition components also help prevent false check engine lights, ensuring your vehicle runs smoothly.

Product Features:
  • Motorcraft spark plugs are matched to specific engines to provide enhanced durability, eliminate misfires, reduce fuel consumption and optimize emissions.
  • Backed by Motorcraft’s Service Parts Warranty
  • Exact fit for Ford, Lincoln and Mercury vehicles
  • Resistant to oxidation and arc erosion.
  • Multi-rib insulator protects against misfire.
  • Service intervals of up to 100,000 miles.
  • Motorcraft Spark Plugs are designed with high quality materials to provide reliable performance for almost any application.
  • Motorcraft Spark Plugs are what was in the vehicle when it was manufactured
  • Motorcraft ignition components help prevent false check engine lights.
  • Enhanced Durability: Engineered to meet strict Ford engineering standards, these spark plugs are designed to provide long-lasting performance and reliability.
  • Reduces Fuel Consumption: Specifically matched to engines to optimize fuel efficiency, helping you save on fuel costs.
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Autolite – Copper Resistor Spark Plug: Quick Starts & Enhanced Durability (Part No.5143)

Copper Resistor Spark Plug: Quick Starts & Enhanced Durability

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$2.99
Autolite Copper spark plugs are expertly crafted to ensure reliable performance and long-lasting durability for your vehicle. Featuring a copper core center electrode, these spark plugs excel in thermal control and resist fouling, ensuring consistent operation. The high nickel alloy center and ground electrodes are designed for extended life, while the long projection center electrode enhances ignition efficiency. Built with a high alumina multi-rib ceramic insulator, these plugs offer superior thermal conductivity and insulation, boosting strength and reliability. The nickel-plated shell resists corrosion, making it ideal for extended use in demanding conditions. With a tapered seat type and integrated resistor, these spark plugs are engineered to meet the needs of regular-grade applications, delivering quick starts and the power your engine demands.

Product Features:
  • The copper core center electrode aids in thermal control and improves resistance to fouling.
  • Its specially engineered high nickel alloy center and ground electrode provides extended life.
  • The high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength.
  • Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
  • The integrated resistor minimizes electrical interference, ensuring smoother engine performance and reliable operation.
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Champion – Copper Plus Spark Plug (RS10LC): Dependable Performance & Durability (Part No.403)

Copper Plus Spark Plug (RS10LC): Dependable Performance & Durability

from

$2.49
Copper Plus Spark Plug (RS10LC) delivers dependable performance and durability, making it a reliable choice for your vehicle’s ignition system. Featuring a copper core center electrode, it ensures precise heat control and enhanced conductivity, promoting longer life and consistent wear. The patented TinTac and ULTRASEAL coated shell provide superior protection against corrosion, ensuring the spark plug remains resilient in harsh conditions. Additionally, the SAC-9 semiconductor resistor is designed to suppress EMI and RFI interference, contributing to smoother engine operation. Built to ISO and SAE Standards, this spark plug guarantees proven performance and compatibility with a wide range of vehicles. Whether you’re seeking improved ignition efficiency or long-lasting reliability, this spark plug offers exceptional value and quality.

Product Features:
  • Copper Plus – Dependable Performance.
  • Copper core center electrode allows for accurate control of heat range for longer life
  • Patented TinTac and ULTRASEAL coated shell for maximum corrosion resistance
  • Patented SAC-9 semiconductor resistor for maximum EMI & RFI suppression
  • Built to ISO and SAE standards for proven performance
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Top-Rated Spark Plug Brands For Your 2008 Mercury Mountaineer

When it comes to finding the perfect Spark Plug for your 2008 Mercury Mountaineer, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 8 trusted brands. We carry the most popular Spark Plug brands including Motorcraft, NGK, and Autolite, and more, all known for their exceptional customer ratings (average brand rating of 4.8 stars) and competitive prices, as low as $4.99. Purchasing a Spark Plug from us here at Advance Auto Parts is a smart move for both you and your 2008 Mercury Mountaineer, providing peace of mind with parts that meet or exceed OEM standards.

Popular Motorcraft 2008 Mercury Mountaineer Spark Plugs

If you’re looking for a top-quality Spark Plug for your 2008 Mercury Mountaineer, Advance Auto Parts has exactly what you need with our selection of Motorcraft Spark Plugs. We have 3 Motorcraft Spark Plugs in stock for this fitment, all known for their durability and precision fit. With prices starting at just $4.99 and an average cost of $10.82, you’ll find the perfect Spark Plug for your needs and budget. Motorcraft Spark Plugs for the 2008 Mercury Mountaineer come highly rated, with over 165 customer reviews and an impressive average rating of 4.8 stars. Choosing a Motorcraft Spark Plug from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Standard Spark Plug: Enhances Durability & Reduces Misfires
from $4.99
(53)
Standard Spark Plug: Enhances Durability & Reduces Misfires
“Great power production”
Double Platinum Spark Plug (HJFS24FP): Enhanced Durability & Reliability
from $14.49
(98)
Double Platinum Spark Plug (HJFS24FP): Enhanced Durability & Reliability
“Great price on oem parts”
High Thread Platinum Spark Plug: Enhances Ignition Performance
from $12.99
(14)
High Thread Platinum Spark Plug: Enhances Ignition Performance
“They work just like you’d expect something you buy should work. So far so good.”

Top-Quality NGK 2008 Mercury Mountaineer Spark Plugs

For those in search of a high-quality Spark Plug for their 2008 Mercury Mountaineer, Advance Auto Parts offers a great selection of NGK Spark Plugs. With 3 NGK Spark Plugs in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Spark Plugs start at just $8.49, with an average price of $11.66, giving you a range of options to suit your budget. Backed by over 337 customer ratings and an average rating of 4.8 stars, NGK Spark Plugs provide both reliability and excellent performance. Choosing a NGK Spark Plug from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
G-Power Spark Plug (ZNAR6AGP): Enhanced Durability & Fuel Efficiency
from $9.49
(2)
G-Power Spark Plug (ZNAR6AGP): Enhanced Durability & Fuel Efficiency
“Fit exaclty in my murano 2004”
Iridium IX Spark Plug (TR55-1IX): Enhanced Acceleration & Durability
from $16.99
(323)
Iridium IX Spark Plug (TR55-1IX): Enhanced Acceleration & Durability
“Awesome. I just added them together with the screaming demon coil distributor and the Taylor Performance wire kit 8.2 and my mpg went automatically 2 ”
G-Power Platinum Spark Plug (TR55-1GP): Enhanced Durability & Efficiency
from $8.49
(12)
G-Power Platinum Spark Plug (TR55-1GP): Enhanced Durability & Efficiency
“Wanting to review different items but no matter what I choose this site always goes back to the spark plugs! Already reviewed them smh.”

FAQs for 2008 Mercury Mountaineer Spark Plugs

What are the best-selling Spark Plugs for 2008 Mercury Mountaineers?

Out of 30 Spark Plugs that fit 2008 Mercury Mountaineers, the following parts are the top sellers:

What’s the price range for 2008 Mercury Mountaineer Spark Plugs?

The prices of Spark Plugs for the 2008 Mercury Mountaineer range from $2.49 up to $184.99 for the most premium parts.

What is the average price of a Spark Plug for a 2008 Mercury Mountaineer?

The average price for Spark Plugs for the 2008 Mercury Mountaineer is $21.30. Keep in mind the variety of part types within our Spark Plug category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Spark Plugs for other Mercury Mountaineer model years?

Yes, we carry Spark Plugs for 12 model years of Mercury Mountaineers between 1997 and 2010. The following model years are the most popular for Spark Plug purchases: 2010, 2009, 2007, 2006, 2005, 2004, 2003, 2002, and 2001.

What are the cheapest Spark Plugs for my 2008 Mercury Mountaineer?

Does Advance Auto Parts sell Spark Plugs for any other 2008 Mercury models?

Yes. We stock Spark Plugs for 3 other popular 2008 Mercury models. Some of the most popular are 2008 Grand Marquis Spark Plugs, 2008 Sable Spark Plugs, 2008 Mariner Spark Plugs, and 2008 Milan Spark Plugs.

What are the top-rated Spark Plugs that fit the 2008 Mercury Mountaineer?

The one 2008 Mercury Mountaineer Spark Plug we have in stock is the Copper Plus Spark Plug (RS10LC): Dependable Performance & Durability. It costs $2.49.

What types of Spark Plugs do you sell for my 2008 Mercury Mountaineer?

We currently have just 1 Spark Plug in stock for a 2008 Mercury Mountaineer, and as of 11/2/25, it is a Spark Plug.

Can I get help with 2008 Mercury Mountaineer Spark Plug orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Mercury Spark Plugs and more.

What is your return policy for Mercury Mountaineer Spark Plugs?

Advance Auto Parts keeps returns simple. For new Mercury Mountaineer Spark Plugs and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.