2018 Mazda 6 Spark Plugs

Keep Your 2018 Mazda 6 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 2018 Mazda 6 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 Autolite and DENSO. For example, Autolite Spark Plugs start at just $10.99 with an average 4.6 star rating. DENSO offer similar pricing and quality, backed by strong customer feedback. With over 117 reviews and a solid 4 star average, you can shop with confidence knowing other Mazda 6 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2018 Mazda 6 Spark Plug at Advance Auto Parts is around $14.60, with a range that starts at $7.99 and goes up to $26.99. With 11 options in stock from 4 trusted brands, finding the right fit is easy. Popular picks like Iridium IX Spark Plug (LKAR7BIX-11S): Extreme Ignitability & Durability, Ruthenium HX Spark Plug (LKAR7AHX-S): High Ignitability & Durability, and Laser Iridium Spark Plug (ILKAR7L11): Fine Wire Tip for Precision start at just $15.99 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 Coils and Boots and Ignition Switches. At Advance Auto Parts, we’re here to help you keep your 2018 Mazda 6 in peak condition, inside and out.

Essential 2018 Mazda 6 Spark Plugs

Champion – Iridium Spark Plug (RS12WYPB4): Maximum Performance & Longevity (Part No.9204)

Iridium Spark Plug (RS12WYPB4): Maximum Performance & Longevity

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$7.99
The Champion Iridium Spark Plug is engineered for maximum performance and durability, making it the ultimate choice for high-performance engines. Featuring a fine-wire iridium center electrode and a platinum-enhanced ground electrode, this premium spark plug ensures sharper spark focus and greater ignitability for optimal engine efficiency. The V-trimmed ground electrode design enhances spark precision, while the Heat-Active alloy allows the electrodes to quickly reach and maintain stable operating temperatures under all engine loads. Built with a tapered seat and resistor type, it delivers consistent performance and reduces interference. Designed for longevity, the iridium center electrode ensures extended service life, making it a reliable and cost-effective solution for demanding driving conditions. Whether you’re looking to enhance your vehicle’s ignition system or maintain peak engine performance, this Champion spark plug is the perfect upgrade.

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
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NGK – Laser Iridium Spark Plug (DILKAR7M8): High Ignitability & Durability (Part No.90288)

Laser Iridium Spark Plug (DILKAR7M8): High Ignitability & Durability

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$26.99
NGK Laser Iridium High Ignitability spark plugs offer the best combination of performance and longevity. Engineered specifically for OE applications, Laser Iridium High Ignitability spark plugs are tested to the highest standards to ensure quality and dur

Product Features:
  • ACTUAL OE or EQUIVALENT HIGH IGNITABILITY DESIGN: DFE tip and iridium alloy center electrode produce the most advanced OE spark plug technology
  • IRIDIUM ALLOY CENTER ELECTRODE: Iridium’s density (6x that of platinum) and extremely high melting point is perfect for modern high efficiency engines
  • DFE DESIGN: Double fine electrode (platinum pin) provides more complete fuel burn, quicker throttle response, smoother idle and better cold starts
  • 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 DFE iridium alloy plugs
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NGK – Iridium IX Spark Plug (TR55IX): Outstanding Acceleration & Durability (Part No.7164)

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

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$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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ACDelco – Double Platinum Spark Plug: Long-Lasting Performance & Durability (Part No.41-814)

Double Platinum Spark Plug: Long-Lasting Performance & Durability

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$10.99
ACDelco Gold (Professional) Double Platinum Spark Plug are a high quality alternative to Original Equipment (OE) parts. With a copper core and double platinum pads on the center electrode, these plugs are designed to deliver long-lasting performance. 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:
  • 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 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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ACDelco – RAPIDFIRE Spark Plug: Enhanced Durability & Reliable Performance (Part No.17)

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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DENSO – Platinum TT Spark Plug – PT16TT (Part No.4511)

Platinum TT Spark Plug - PT16TT

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$5.99
The Platinum TT Spark Plug with its innovative Twin-Tip design ensures faster flame propagation, promoting more complete combustion for enhanced engine performance and efficiency. Crafted with a durable platinum center electrode tip, this spark plug offers exceptional longevity and consistent performance, making it a reliable choice for your vehicle. Its tapered seat type ensures a secure fit, reducing the risk of gas leakage and optimizing combustion chamber sealing. Designed for precision and durability, this spark plug not only improves ignition efficiency but also contributes to smoother engine operation and potentially better fuel economy. A perfect blend of advanced technology and robust materials, it delivers excellent value for drivers seeking long-lasting performance and reliability.

Product Features:
  • Innovative Twin-Tip design promotes faster flame propagation for more complete combustion, enhancing engine performance and efficiency.
  • Durable platinum center electrode tip ensures exceptional longevity and consistent performance over time.
  • Tapered seat type provides a secure fit, reducing gas leakage and optimizing combustion chamber sealing.
  • Precision-engineered to improve ignition efficiency, contributing to smoother engine operation.
  • Advanced design and robust materials deliver long-lasting performance and reliability for drivers.
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Motorcraft – High-Durability Spark Plug: Reduces Misfires & Fuel Consumption (Part No.SP-479-X)

High-Durability Spark Plug: Reduces Misfires & Fuel Consumption

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$7.99
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, ensuring reliable performance for almost any application. Motorcraft ignition components also help prevent false check engine lights, giving you confidence and peace of mind.

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.
  • Iridium Center Electrode Tip: The Denso Iridium Spark Plug features a center electrode tip made of iridium, providing exceptional longevity and reliable performance.
  • Flat Seat Type Design: The flat seat type design enhances the durability of the spark plug, making it an ideal choice for maintaining optimal engine efficiency.
  • Strict OE Standards: Manufactured to the strictest OE performance, durability, and emissions standards, ensuring high-quality and reliable performance.
  • Long-Life Performance: Engineered for long-lasting performance, this spark plug helps maintain optimal engine efficiency over time.
  • Reduced Emissions: Designed to help reduce emissions, contributing to a cleaner and more efficient engine operation.
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NGK – Ruthenium HX Spark Plug (LKAR7AHX-S): High Ignitability & Durability (Part No.92274)

Ruthenium HX Spark Plug (LKAR7AHX-S): High Ignitability & Durability

from

$15.99
NGK Ruthenium HX High Ignitability spark plugs are the best in class plug for todays modern vehicles. Patented Ruthenium technology offers the most advance tip technology and delivers the highest performance and life expectancy. Created from advanced OE technology as a high ignitability plug, Ruthenium HX spark plugs come with patented, specialized OEM DFE and PSPE tip designs. NGK Ruthenium HX High Ignitability spark plugs provide a more complete fuel burn resulting in a quicker throttle response, smoother idle and better cold starts. Ruthenium center electrode provides industry leading durability.

Product Features:
  • HIGH IGNITABILITY DOUBLE FINE ELECTRODE DESIGN: Combines 0.6 millimeter ruthenium center with opposed fine wire platinum ground electrode
  • RUTHENIUM ALLOY CENTER ELECTRODE: NGK’s patented ruthenium technology produces maximum performance, ignitability & durability at high temperatures
  • PLATINUM PIN TYPE GROUND ELECTRODE: Provides more complete fuel burn, quicker throttle response, smoother idle and better cold starts
  • 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: Modern vehicles using OE DFE type spark plugs or for those seeking an aftermarket plug with the latest OE technology
  • Specialized OEM Tip Designs: Features DFE and PSPE tip designs for superior ignitability.
  • Industry-Leading Durability: Ruthenium center electrode ensures exceptional durability.
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Motorcraft – Iridium Spark Plug: Enhances Durability & Reduces Fuel Consumption (Part No.SP-541-A)

Iridium Spark Plug: Enhances Durability & Reduces Fuel Consumption

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$13.49
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 they offer service intervals of up to 100,000 miles. Designed with high-quality materials, Motorcraft Spark Plugs provide reliable performance for almost any application and help prevent false check engine lights. With platinum center and ground electrode tips, these spark plugs ensure your vehicle runs as it did when it was first manufactured.

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 Motorcraft Iridium Spark Plugs are designed to provide enhanced durability and long-lasting performance.
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Autolite Iridium – Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition (Part No.XP5682)

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 Center Electrode: Improves durability and wear resistance for a longer-lasting spark plug.
  • Engineered in the USA: Designed with over 100 years of Autolite engineering experience for superior quality and performance.
  • Proven Track Record: Part of a legacy with over 11 billion spark plugs sold, ensuring trusted performance and reliability.
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NGK – Ruthenium HX Spark Plug (LTR5AHX): High Ignitability & Durability (Part No.90220)

Ruthenium HX Spark Plug (LTR5AHX): High Ignitability & Durability

from

$15.99
NGK Ruthenium HX High Ignitability spark plugs are the best in class plug for todays modern vehicles. Patented Ruthenium technology offers the most advance tip technology and delivers the highest performance and life expectancy. Created from advanced OE technology as a high ignitability plug, Ruthenium HX spark plugs come with patented, specialized OEM DFE and PSPE tip designs. NGK Ruthenium HX High Ignitability spark plugs provide a more complete fuel burn resulting in a quicker throttle response, smoother idle and better cold starts. Ruthenium center electrode provides industry leading durability.

Product Features:
  • HIGH IGNITABILITY DOUBLE FINE ELECTRODE DESIGN: Combines 0.6 millimeter ruthenium center with opposed fine wire platinum ground electrode
  • RUTHENIUM ALLOY CENTER ELECTRODE: NGK’s patented ruthenium technology produces maximum performance, ignitability & durability at high temperatures
  • PLATINUM PIN TYPE GROUND ELECTRODE: Provides more complete fuel burn, quicker throttle response, smoother idle and better cold starts
  • 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: Modern vehicles using OE DFE type spark plugs or for those seeking an aftermarket plug with the latest OE technology
  • Specialized OEM Tip Designs: Features patented DFE and PSPE tip designs for superior ignitability.
  • Industry-Leading Durability: Ruthenium center electrode ensures exceptional durability and longevity.
  • Advanced OE Technology: Created from advanced Original Equipment technology for modern vehicles.
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Motorcraft – High-Performance Spark Plug: Enhances Fuel Efficiency (Part No.SP-541-AX)

High-Performance Spark Plug: Enhances Fuel Efficiency

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$14.99
The Motorcraft High-Performance Spark Plug is meticulously crafted to deliver superior ignition performance and optimize fuel efficiency, ensuring your vehicle operates at its best. Featuring a fine wire center electrode and platinum tips on both the center and ground electrodes, this spark plug is designed for exceptional durability and consistent performance. Its tapered seat type ensures a secure fit, contributing to reliable starts and smooth engine operation. Engineered to enhance fuel economy, it helps you maximize every gallon while maintaining peak vehicle performance over time. Trust Motorcraft’s commitment to quality and efficiency to keep your engine running smoothly, making this spark plug a valuable addition to your vehicle’s maintenance routine.

Product Features:
  • Optimizes Fuel Efficiency: The Motorcraft High-Performance Spark Plug is engineered to enhance fuel efficiency, helping you get the most out of every gallon.
  • Superior Ignition Performance: Designed for superior ignition performance, this spark plug ensures reliable starts every time you turn the key.
  • Exceptional Durability: Crafted with precision, the Motorcraft High-Performance Spark Plug offers exceptional durability, providing long-lasting performance.
  • Consistent Performance: This spark plug is designed to deliver consistent performance, maintaining your vehicle’s peak performance over time.
  • Trusted Quality: Trust Motorcraft to deliver quality and efficiency with every drive, ensuring your vehicle runs smoothly and efficiently.
  • Optimizes Fuel Efficiency: The Motorcraft High-Performance Spark Plug is engineered to enhance fuel efficiency, helping you get the most out of every gallon.
  • Superior Ignition Performance: Designed for superior ignition performance, this spark plug ensures reliable starts every time you turn the key.
  • Exceptional Durability: Crafted with precision, the Motorcraft High-Performance Spark Plug offers exceptional durability, providing long-lasting performance.
  • Consistent Performance: This spark plug is designed to deliver consistent performance, maintaining your vehicle’s peak performance over time.
  • Trusted Quality: Trust Motorcraft to deliver quality and efficiency with every drive, ensuring your vehicle runs smoothly and efficiently.
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DENSO – Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, ITV16TT (Part No.4718)

Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, ITV16TT

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$12.99
The Iridium TT Spark Plug combines the durability of an OE-style plug with the power and torque of high-performance engineering, making it a standout choice for automotive enthusiasts. Featuring a 0.4mm Iridium center electrode – the world’s smallest diameter – it maximizes firing potential, while the 0.7mm needle tip ground electrode enhances spark energy and minimizes heat quenching. Built with DENSO’s patented Iridium-Rhodium alloy formula, it boasts the highest concentration of Iridium for unmatched durability, even under extreme conditions exceeding 4000 Deg F. The 360-degree laser welding process ensures a robust bond and structural integrity, delivering consistent performance. Designed with a tapered seat type for a secure fit, this spark plug not only enhances fuel economy and reduces emissions but also offers the capability to drive around the Earth over four times with improved efficiency. For those seeking reliability, endurance, and peak performance, this spark plug is engineered to meet the highest standards of automotive excellence.

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
  • Enhanced Fuel Economy and Lower Emissions: Drive around the Earth over 4 times with improved fuel efficiency and reduced emissions.
  • Tapered Seat Type: Ensures a secure fit and optimal performance, tailored to meet the highest standards of automotive engineering.
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Champion – Platinum Power Spark Plug (RS10PYC): Powerful Performance & Durability (Part No.3408)

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

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$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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Champion – Copper Plus Spark Plug (RS12YC): Dependable Performance & Durability (Part No.401)

Copper Plus Spark Plug (RS12YC): Dependable Performance & Durability

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$2.99
The Copper Plus Spark Plug delivers dependable performance and durability, making it a reliable choice for maintaining optimal engine function. Featuring a copper core center electrode, it ensures enhanced conductivity and precise heat control, promoting good overall wear and extending the spark plug’s lifespan. Built to ISO and SAE Standards, this spark plug guarantees proven performance and superior corrosion resistance, even in demanding conditions. Its nickel center electrode tip and tapered seat design further enhance reliability and engine efficiency, making it an excellent standard replacement option. With a resistor type design and robust materials, this spark plug is engineered to provide consistent ignition and long-lasting durability, ensuring your vehicle runs smoothly mile after mile.

Product Features:
  • Copper Plus – Dependable Performance and Durability
  • Copper core center electrode allows for accurate control of heat range for longer life
  • Superior corrosion resistance
  • Built to ISO and SAE standards for proven performance
  • Built to ISO and SAE standards for proven performance
  • Enhanced Conductivity and Heat Control: The Champion Copper Plus Spark Plug features a copper core electrode that provides increased conductivity and heat control, ensuring good overall wear and extending the spark plug’s life.
  • Reliable Nickel Center Electrode Tip: Featuring a nickel center electrode tip and a tapered seat type, this spark plug enhances reliability and ensures optimal engine performance.
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NGK – Iridium IX Spark Plug (LTR5IX-11): Extreme Ignitability & Durability (Part No.4344)

Iridium IX Spark Plug (LTR5IX-11): Extreme Ignitability & Durability

from

$13.99
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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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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Motorcraft – Platinum Spark Plug: Enhances Durability & Reduces Fuel Consumption (Part No.SP-411)

Platinum Spark Plug: Enhances Durability & Reduces Fuel Consumption

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$7.29
Engineered to meet strict Ford engineering standards, these spark plugs are matched to specific engines to provide enhanced durability, eliminate misfires, reduce fuel consumption, and optimize emissions. With a platinum center electrode tip and nickel ground electrode tip, they are resistant to oxidation and arc erosion. The multi-rib insulator protects against misfire, ensuring reliable performance for 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 help prevent false check engine lights. Designed with high-quality materials, Motorcraft spark plugs deliver original equipment performance and reliability for a broad range of domestic and import cars and trucks.

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.
  • Fuel Efficiency: Specifically matched to engines to reduce fuel consumption, helping you save on fuel costs while maintaining optimal vehicle performance.
  • High-Quality Materials: Featuring a platinum center electrode tip and a nickel ground electrode tip, these spark plugs are resistant to oxidation and arc erosion, ensuring consistent performance.
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Motorcraft – Platinum Spark Plug: Enhances Durability & Reduces Fuel Consumption (Part No.SP-523)

Platinum Spark Plug: Enhances Durability & Reduces Fuel Consumption

from

$5.99
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. 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 they offer service intervals of up to 100,000 miles. Designed with high-quality platinum materials, Motorcraft Spark Plugs deliver reliable performance for almost any application and help prevent false check engine lights, ensuring your vehicle runs smoothly and efficiently.

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.
  • Engineered for Ford Vehicles: Original equipment on Ford, Lincoln, and Mercury vehicles, ensuring an exact fit and optimal performance.
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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

from

$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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E3 – DiamondFIRE Automotive Spark Plug: More Power & Fuel Efficiency (Part No.E3.54)

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 flame kernel and improved power output – up to 6% on average. This advanced design not only boosts energy but also promotes fuel savings and reduces engine carbon deposits for a cleaner, more efficient operation. Constructed with durable nickel center and ground electrode tips, it offers long-lasting reliability. The tapered seat type ensures a secure fit, and the pre-gapped design eliminates the need for adjustments, making installation hassle-free. Upgrade to this spark plug for enhanced performance, better fuel economy, and a cleaner engine.

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 (RES11PYPB5): Enhanced Durability & Performance (Part No.7437)

Double Platinum Power Spark Plug (RES11PYPB5): Enhanced Durability & Performance

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$6.99
The Champion Double Platinum Power spark plug is engineered for enhanced durability and performance, making it a premium choice for reliable ignition. Featuring a fine-wire platinum center electrode and a platinum pad ground electrode, this spark plug ensures greater wear resistance and sharper spark focus for consistent power delivery. The innovative Heat-Active alloy allows the electrodes to maintain optimal operating temperatures under all engine loads, ensuring stable performance in demanding conditions. Its V-trimmed ground electrode design promotes precise spark focus, while the resistor type construction minimizes electrical interference. Designed as a standard replacement with a tapered seat type, this spark plug offers seamless compatibility and easy installation. Whether you’re seeking improved ignitability or long-lasting performance, this spark plug delivers exceptional value and reliability for your vehicle.

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
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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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DENSO – Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, IXEH20TT (Part No.4711)

Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, IXEH20TT

from

$11.99
The Iridium TT Spark Plug combines the durability of an OE-style plug with the power and torque of high-performance engineering, making it a top choice for drivers seeking reliability and enhanced performance. Featuring a 0.4mm Iridium center electrode – the world’s smallest diameter – it maximizes firing potential for efficient combustion. 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 compared to competitors, delivering unmatched durability. The 360-degree laser welding process ensures 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 endurance and peak performance. Its flat seat type and iridium center electrode material further enhance its reliability, making it a premium choice for those who demand both longevity and power from their vehicle.

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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DENSO – Iridium Long-Life Spark Plug: OE Performance, ZC20HPR11 (Part No.3532)

Iridium Long-Life Spark Plug: OE Performance, ZC20HPR11

from

$21.49
The Iridium Long-Life Spark Plug is engineered to meet the highest OE standards for performance, durability, and emissions, making it a reliable choice for your vehicle. Featuring DENSO’s patented Iridium Alloy with a fine wire center electrode, this spark plug delivers sustained spark performance for over 100,000 miles, lasting up to three times longer than conventional plugs. Its platinum ground electrode ensures extended life, while the 360-degree laser welding process guarantees a robust bond and structural strength. Designed to endure extreme temperatures exceeding 4,000 degrees Fahrenheit, it is ideal for high-performance ignition systems and special fuel setups. With a flat seat type and iridium center electrode tip material, this spark plug offers exceptional durability and efficiency, providing long-lasting value for your vehicle’s ignition system.

Product Features:
  • Latest OE technology with DENSO’s patented Iridium Alloy (90 percent Ir) and fine wire center electrode
  • Platinum ground electrode for extended life
  • DENSO Patented 360 degree laser welding process: Ensuring exceptional quality bond and structural strength with the Iridium Center Electrode
  • Sustained spark performance over 100,000 miles
  • Lasts up to three times as long as conventional plugs
  • Endures extreme temperatures greater than 4,000 degrees F associated with high-performance ignition and special fuel systems
  • Iridium Long Life
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Motorcraft – Spark Plug: Quick Starts & Enhanced Fuel Economy (Part No.F1000442072MTR)

Spark Plug: Quick Starts & Enhanced Fuel Economy

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$7.23
Motorcraft Original Equipment spark plugs are the trusted choice for maintaining your vehicle’s peak performance. Designed, engineered, and recommended by Ford Motor Company, these spark plugs are the same high-quality parts installed when your engine first rolled off the assembly line. Built to last, they feature a 100,000-mile service interval and an iridium-enhanced center electrode that boosts durability and wear resistance. The .6mm finewire design enhances ignitability, ensuring efficient combustion and reliable starts. Crafted for long-term performance, these spark plugs are designed to resist gap erosion, providing consistent operation over time. Whether you’re replacing worn-out plugs or performing routine maintenance, Motorcraft spark plugs deliver exceptional value and reliability, keeping your engine running smoothly mile after mile.

Product Features:
  • Same part installed when the engine rolled off the assembly line
  • 100,000-mile service interval
  • Iridium-enhanced center electrode for improved durability and wear resistance
  • .6mm finewire design improves ignitability
  • Designed for overall durability with virtually no gap erosion
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NGK – Laser Iridium Spark Plug (ILTR6A-8G): Fine Wire Tip for Precision (Part No.3787)

Laser Iridium Spark Plug (ILTR6A-8G): Fine Wire Tip for Precision

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$21.99
NGK Laser Iridium spark plugs offer the best combination of performance and longevity. Engineered specifically for OE applications, Laser Iridium spark plugs are tested to the highest standards to ensure quality and durability. Iridium tipped center electrode provides durability six times harder than platinum. NGKs high grade pure alumina ceramic and 98 percent pure copper core prevents the spark plug from overheating while providing reliable starts. Most Laser Iridium 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 iridium alloy center electrode provides consistent performance
  • IRIDIUM ALLOY CENTER ELECTRODE: Iridium’s density (6x that of platinum) and extremely high melting point is perfect for modern high efficiency engines
  • 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 iridium alloy plugs
  • Superior Durability: The iridium-tipped center electrode is six times harder than platinum, ensuring long-lasting performance and reliability.
  • OE Application Specific: Engineered specifically for Original Equipment (OE) applications, ensuring a perfect fit and optimal performance.
  • Even Wear: Most Laser Iridium spark plugs feature a platinum pad on the ground electrode, promoting even wear in distributorless ignition systems.
  • Fine Wire Tip Design: The fine wire tip design of the ILTR6A-8G model enhances ignition efficiency and performance.
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NGK – OE Series Laser Platinum Spark Plug: Fine Wire Tip, PTR5A-13 (Part No.2467)

OE Series Laser Platinum Spark Plug: Fine Wire Tip, PTR5A-13

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$17.99
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 distributor less 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
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Most Popular Spark Plugs for 2018 Mazda 6s

Enhance your 2018 Mazda 6 with one of the 11 Spark Plugs we have in stock, starting at just $7.99.

DENSO – Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, IXEH22TT (Part No.4712)

Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, IXEH22TT

from

$11.99
The Iridium TT Spark Plug combines the durability of an OE-style plug with the unmatched power and torque of high-performance engineering. Featuring a 0.4mm Iridium Center Electrode – the world’s smallest diameter – it maximizes firing potential, while the 0.7mm Needle Tip Ground Electrode promotes higher spark energy and reduces heat quenching. Built with DENSO’s patented Iridium-Rhodium alloy formula, this spark plug boasts the highest concentration of Iridium for superior durability, complemented by a 360-degree laser welding process for exceptional structural strength. With the ability to withstand temperatures exceeding 4000 degrees Fahrenheit, it delivers reliable performance under extreme conditions. Its advanced Twin-Tip Technology enhances fuel economy, allowing you to drive around the Earth over four times with lower emissions. Constructed with durable materials, including an Iridium Center Electrode Tip and a Flat Seat Type, this spark plug ensures robust and efficient operation, making it a smart choice for drivers seeking endurance and peak performance.

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
  • Enhanced Fuel Economy: Drive around the Earth over 4 times with lower emissions and better fuel economy, thanks to the advanced Twin-Tip Technology.
  • Durable Materials: Constructed with an Iridium Center Electrode Tip and a Flat Seat Type, ensuring robust and reliable performance.
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Autolite Iridium – Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition (Part No.XP5682)

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

from

$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 Center Electrode: Improves durability and wear resistance for a longer-lasting spark plug.
  • Engineered in the USA: Designed with over 100 years of Autolite engineering experience for superior quality and performance.
  • Proven Track Record: Part of a legacy with over 11 billion spark plugs sold, ensuring trusted performance and reliability.
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Autolite – Double Platinum Spark Plug: Enhanced Durability & Performance (Part No.APP5682)

Double Platinum Spark Plug: Enhanced Durability & Performance

from

$10.99
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 a longer service life compared to copper and standard platinum plugs. The yttrium-enhanced ground electrode delivers superior heat transfer, providing unmatched durability under high temperatures and pressure. Its high alumina ceramic insulator optimizes thermal conductivity and dielectric strength, while the multi-rib insulator prevents flash-over for consistent performance. With a mid-projection center electrode and flat seat type, this performance-grade spark plug is designed to meet demanding engine requirements. Both the center and ground electrode tips are crafted from platinum, ensuring reliable ignition and enhanced durability. Whether you’re seeking improved engine efficiency or reduced maintenance, this spark plug delivers superior value and 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 flat seat type to meet the demanding requirements of modern engines, ensuring consistent and reliable performance.
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NGK – Iridium IX Spark Plug (LKAR7BIX-11S): Extreme Ignitability & Durability (Part No.93501)

Iridium IX Spark Plug (LKAR7BIX-11S): Extreme Ignitability & Durability

from

$15.99
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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NGK – Ruthenium HX Spark Plug (LKAR7AHX-S): High Ignitability & Durability (Part No.92274)

Ruthenium HX Spark Plug (LKAR7AHX-S): High Ignitability & Durability

from

$15.99
NGK Ruthenium HX High Ignitability spark plugs are the best in class plug for todays modern vehicles. Patented Ruthenium technology offers the most advance tip technology and delivers the highest performance and life expectancy. Created from advanced OE technology as a high ignitability plug, Ruthenium HX spark plugs come with patented, specialized OEM DFE and PSPE tip designs. NGK Ruthenium HX High Ignitability spark plugs provide a more complete fuel burn resulting in a quicker throttle response, smoother idle and better cold starts. Ruthenium center electrode provides industry leading durability.

Product Features:
  • HIGH IGNITABILITY DOUBLE FINE ELECTRODE DESIGN: Combines 0.6 millimeter ruthenium center with opposed fine wire platinum ground electrode
  • RUTHENIUM ALLOY CENTER ELECTRODE: NGK’s patented ruthenium technology produces maximum performance, ignitability & durability at high temperatures
  • PLATINUM PIN TYPE GROUND ELECTRODE: Provides more complete fuel burn, quicker throttle response, smoother idle and better cold starts
  • 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: Modern vehicles using OE DFE type spark plugs or for those seeking an aftermarket plug with the latest OE technology
  • Specialized OEM Tip Designs: Features DFE and PSPE tip designs for superior ignitability.
  • Industry-Leading Durability: Ruthenium center electrode ensures exceptional durability.
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NGK – Laser Iridium Spark Plug (ILKAR7L11): Fine Wire Tip for Precision (Part No.94124)

Laser Iridium Spark Plug (ILKAR7L11): Fine Wire Tip for Precision

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$26.99
NGK Laser Iridium spark plugs offer the best combination of performance and longevity. Engineered specifically for OE applications, Laser Iridium spark plugs are tested to the highest standards to ensure quality and durability. Iridium tipped center elect

Product Features:
  • ACTUAL OE or EQUIVALENT DESIGN: OEM quality construction fine wire iridium alloy center electrode provides consistent performance
  • IRIDIUM ALLOY CENTER ELECTRODE: Iridium’s density (6x that of platinum) and extremely high melting point is perfect for modern high efficiency engines
  • 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 iridium alloy plugs
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Autolite Iridium – Iridium Ultra Fine Wire Spark Plug: Laser Welded for Precision Ignition (Part No.AI5682)

Iridium Ultra Fine Wire Spark Plug: Laser Welded for Precision Ignition

from

$10.99
Autolite Iridium Ultra Laser Fine wire Spark Plugs are one of our brand’s most technologically advanced products. These spark plugs provide superior durability, more focused ignition with better overall ignitability for optimum performance. Autolite Spark Plugs are the best alternative to OE spark plugs, offering OE fit form and function supporting all foreign and domestic makes and models at a value price. Autolite provides the automotive aftermarket and original equipment manufacturers with the highest quality ignition products and is the leading supplier of spark plugs in the world.

Product Features:
  • Autolite Iridium Ultra is an engineered OE replacement iridium spark plug.
  • A laser-welded 0.5mm pure iridium finewire center electrode provides optimal fuel efficiency, acceleration and focused ignitability.
  • Nickel-plated shell to resist corrosion.
  • High-alumina ceramic insulator for increased strength.
  • Laser welded 0.5mm Iridium finewire center electrode.
  • Proprietary platinum sidewire technology.
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NGK – Laser Iridium Spark Plug (DILKAR7M8): High Ignitability & Durability (Part No.90288)

Laser Iridium Spark Plug (DILKAR7M8): High Ignitability & Durability

from

$26.99
NGK Laser Iridium High Ignitability spark plugs offer the best combination of performance and longevity. Engineered specifically for OE applications, Laser Iridium High Ignitability spark plugs are tested to the highest standards to ensure quality and dur

Product Features:
  • ACTUAL OE or EQUIVALENT HIGH IGNITABILITY DESIGN: DFE tip and iridium alloy center electrode produce the most advanced OE spark plug technology
  • IRIDIUM ALLOY CENTER ELECTRODE: Iridium’s density (6x that of platinum) and extremely high melting point is perfect for modern high efficiency engines
  • DFE DESIGN: Double fine electrode (platinum pin) provides more complete fuel burn, quicker throttle response, smoother idle and better cold starts
  • 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 DFE iridium alloy plugs
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DENSO – Iridium Long-Life Spark Plug: OE Performance, ZC20HPR11 (Part No.3532)

Iridium Long-Life Spark Plug: OE Performance, ZC20HPR11

from

$21.49
The Iridium Long-Life Spark Plug is engineered to meet the highest OE standards for performance, durability, and emissions, making it a reliable choice for your vehicle. Featuring DENSO’s patented Iridium Alloy with a fine wire center electrode, this spark plug delivers sustained spark performance for over 100,000 miles, lasting up to three times longer than conventional plugs. Its platinum ground electrode ensures extended life, while the 360-degree laser welding process guarantees a robust bond and structural strength. Designed to endure extreme temperatures exceeding 4,000 degrees Fahrenheit, it is ideal for high-performance ignition systems and special fuel setups. With a flat seat type and iridium center electrode tip material, this spark plug offers exceptional durability and efficiency, providing long-lasting value for your vehicle’s ignition system.

Product Features:
  • Latest OE technology with DENSO’s patented Iridium Alloy (90 percent Ir) and fine wire center electrode
  • Platinum ground electrode for extended life
  • DENSO Patented 360 degree laser welding process: Ensuring exceptional quality bond and structural strength with the Iridium Center Electrode
  • Sustained spark performance over 100,000 miles
  • Lasts up to three times as long as conventional plugs
  • Endures extreme temperatures greater than 4,000 degrees F associated with high-performance ignition and special fuel systems
  • Iridium Long Life
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E3 – DiamondFIRE Automotive Spark Plug: More Power & Fuel Efficiency (Part No.E3.81)

DiamondFIRE Automotive Spark Plug: More Power & Fuel Efficiency

from

$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 projecting the spark to ignite the air/fuel mixture more quickly, resulting in a larger and faster flame kernel. This advanced design improves power output by up to 6% on average within typical operating ranges, while also promoting fuel savings and reducing engine carbon deposits. Crafted with durable nickel for both the center and ground electrode tips, this spark plug is built to last. Pre-gapped at the factory for optimal performance, it eliminates the need for adjustments, making installation hassle-free. With its cleaner-burning combustion and enhanced energy efficiency, this spark plug is a smart upgrade for drivers seeking improved engine performance and long-term value.

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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NGK – G-Power Spark Plug (LKAR7BGP): Enhanced Durability & Fuel Efficiency (Part No.94297)

G-Power Spark Plug (LKAR7BGP): Enhanced Durability & Fuel Efficiency

from

$7.99
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
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Top-Rated Spark Plug Brands For Your 2018 Mazda 6

When it comes to finding the perfect Spark Plug for your 2018 Mazda 6, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 4 trusted brands. We carry the most popular Spark Plug brands including Autolite and DENSO, and more, all known for their exceptional customer ratings (average brand rating of 4.6 stars) and competitive prices, as low as $10.99. Purchasing a Spark Plug from us here at Advance Auto Parts is a smart move for both you and your 2018 Mazda 6, providing peace of mind with parts that meet or exceed OEM standards.

Popular Autolite 2018 Mazda 6 Spark Plugs

If you’re looking for a top-quality Spark Plug for your 2018 Mazda 6, Advance Auto Parts has exactly what you need with our selection of Autolite Spark Plugs. We have 2 Autolite Spark Plugs in stock for this fitment, all known for their durability and precision fit. With prices starting at just $10.99, you’ll find the perfect Spark Plug for your needs and budget. Autolite Spark Plugs for the 2018 Mazda 6 come highly rated, with over 22 customer reviews and an impressive average rating of 4.6 stars. Choosing a Autolite Spark Plug from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition
from $10.99
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Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition
“Autolite Plugs have always done great .”
Double Platinum Spark Plug: Enhanced Durability & Performance
from $10.99
(1)
Double Platinum Spark Plug: Enhanced Durability & Performance
“My car runs smutty”

Top-Quality DENSO 2018 Mazda 6 Spark Plugs

For those in search of a high-quality Spark Plug for their 2018 Mazda 6, Advance Auto Parts offers a great selection of DENSO Spark Plugs. With 1 DENSO 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 $11.99, giving you a range of options to suit your budget. Backed by over 17 customer ratings and an average rating of 4.6 stars, DENSO Spark Plugs provide both reliability and excellent performance. Choosing a DENSO Spark Plug from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.

FAQs for 2018 Mazda 6 Spark Plugs

What are the best-selling Spark Plugs for 2018 Mazda 6s?

Out of 11 Spark Plugs that fit 2018 Mazda 6s, the following parts are the top sellers:

What’s the price range for 2018 Mazda 6 Spark Plugs?

The prices of Spark Plugs for the 2018 Mazda 6 range from $7.99 up to $26.99 for the most premium parts.

What is the average price of a Spark Plug for a 2018 Mazda 6?

The average price for Spark Plugs for the 2018 Mazda 6 is $14.60. 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 Mazda 6 model years?

Yes, we carry Spark Plugs for 17 model years of Mazda 6s between 2003 and 2021. The following model years are the most popular for Spark Plug purchases: 2021, 2020, 2019, 2017, 2016, 2015, 2014, 2013, and 2012.

Does Advance Auto Parts sell Spark Plugs for any other 2018 Mazda models?

Yes. We stock Spark Plugs for 3 other popular 2018 Mazda models. Some of the most popular are 2018 CX-9 Spark Plugs, 2018 CX-5 Spark Plugs, 2018 MX-5 Miata Spark Plugs, and 2018 CX-3 Spark Plugs.

What are the top-rated Spark Plugs that fit the 2018 Mazda 6?

The one 2018 Mazda 6 Spark Plug we have in stock is the G-Power Spark Plug (LKAR7BGP): Enhanced Durability & Fuel Efficiency. It costs $7.99.

What types of Spark Plugs do you sell for my 2018 Mazda 6?

We currently have just 1 Spark Plug in stock for a 2018 Mazda 6, and as of 11/2/25, it is a Spark Plug.

Can I get help with 2018 Mazda 6 Spark Plug orders?

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

What is your return policy for Mazda 6 Spark Plugs?

Advance Auto Parts keeps returns simple. For new Mazda 6 Spark Plugs and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.