Merkur Spark Plugs

Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Guaranteed to deliver quick starts, good fuel economy and smooth acceleration, Autolite Copper Core spark plugs are designed to meet or exceed OES design requirements. Consider upgrading to Autolite Platinum, Double Platinum or Iridium XP plugs for improved engine performance. Copper core plugs are the industry standard.

Product Features:

• Copper-glass seal bonds insulator, terminal post center electrode together; assures full required voltage at spark gap; gas-tight seal (100% leak proof)
• Multi-rib insulator reduces danger of “flash-over”
• One-piece terminal post adds strength
• Resistor reduces radio frequency interference (RFI) and electrode erosion

With over 100 years of engineering expertise and more than 11 billion plugs sold, Autolite delivers exceptional quality. Designed and engineered in the USA, these spark plugs feature platinum-to-platinum firing, virtually eliminating gap erosion and reducing misfires. The OE design and full-platinum tips on both the center and side electrodes optimize engine performance for a longer life and improved fuel economy. The platinum ball welding process ensures a consistent point of contact for enhanced adhesion, while the tapered seat type further contributes to the plug’s superior durability.

Product Features:

• Works to optimize engine performance for a longer life and improved fuel economy
• OE design
• Full-platinum tips; platinum on both the center and side electrodes to promote reduced gap wear
• Platinum ball welding process provides a consistent point of contact for enhanced adhesion
• Engineered in the USA: Developed with over 100 years of engineering expertise, ensuring high-quality and reliable performance.

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 copper 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.
• Reduces Fuel Consumption: Specifically matched to engines to optimize fuel efficiency, helping you save on fuel costs.

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.

Motorcraft Spark Plugs are original equipment on Ford Motor Company vehicles engineered to meet strict Ford engineering standards to provide original equipment performance and reliability. Delivering performance, reliability and confidence, Motorcraft spa

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.

With over 100 years of engineering expertise and more than 11 billion plugs sold, Autolite delivers unmatched reliability. Designed and engineered in the USA, these spark plugs feature a high nickel alloy side electrode that maintains a precise gap and a full platinum tip that ensures virtually no gap erosion for extended life. The necked-down center electrode fires quicker and cleaner with less voltage, resulting in easier starts, quicker acceleration, and improved fuel economy compared to standard plugs. The tapered seat type further enhances performance and durability.

Product Features:

• High nickel alloy side electrode maintains precise gap
• Full platinum tip assures virtually no gap erosion for long life
• Necked-down center electrode fires quicker, cleaner with less voltage for easier starts, quicker acceleration and improved fuel economy (as compared to standard plugs)
• Improved Fuel Economy: Designed to enhance fuel efficiency compared to standard spark plugs.
• Tapered Seat Type: Enhances performance and durability for a longer-lasting spark plug.

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

Motorcraft Spark Plugs are original equipment on Ford Motor Company vehicles engineered to meet strict Ford engineering standards to provide original equipment performance and reliability. Delivering performance, reliability and confidence, Motorcraft spark plugs are available for a broad range of applications, including domestic and import cars and trucks of all makes and 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.

Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, Autolite Double Platinum spark plugs feature platinum-to-platinum firing which virtually eliminates gap erosion, reduces misfires and increases durability of the plug. Consider upgrading to Autolite Iridium XP spark plugs for increased performance.

Product Features:

• Works to optimize engine performance for a longer life and improved fuel economy
• OE design
• Full-platinum tips; platinum on both the center and side electrodes to promote reduced gap wear
• Platinum ball welding process provides a consistent point of contact for enhanced adhesion

With over 100 years of engineering expertise and more than 11 billion plugs sold, Autolite continues to set the standard in spark plug technology. Designed and engineered in the USA, these spark plugs feature a copper cored center electrode for higher thermal conductivity and a specially engineered high nickel alloy center and ground electrode for extended life. The high alumina ceramic ensures high dielectric strength, while the leak-proof, heat-fused internal seal guarantees durability. Additionally, the multi-rib insulator prevents flash-over, and the tapered seat type enhances performance.

Product Features:

• Copper cored center electrode for higher thermal conductivity
• Specially engineered high nickel alloy center and ground electrode for extended life
• High alumina ceramic for high dielectric strength
• Leak proof, heat fused internal seal for durability
• Multi-rib insulator prevents flash-over
• Quick Starts and Smooth Acceleration: The Autolite Copper Spark Plug is engineered to deliver quick starts and smooth acceleration, enhancing your driving experience.
• Good Fuel Economy: Designed to optimize fuel efficiency, these spark plugs help you get the most out of every gallon.
• Enhanced Performance with Tapered Seat Type: The tapered seat type design enhances the performance of the spark plug, ensuring a reliable and efficient operation.

Increased performance with World’s smallest Iridium Center Eletrode (0.4mm).

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° 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

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

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
• Engineered for OE Applications: Specifically designed for Original Equipment (OE) applications, ensuring a perfect fit and optimal performance.
• Enhanced Fuel Efficiency and Lower Emissions: These spark plugs contribute to improved fuel efficiency and reduced emissions, making them an eco-friendly choice.
• Stable Idling and Anti-Fouling: The platinum pad on the ground electrode provides even wear, resulting in stable idling and superior anti-fouling performance.

Twin-Tip design enables faster flame propagation for more complete combustion.

Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Guaranteed to deliver quick starts, good fuel economy and smooth acceleration, Autolite Copper Core spark plugs are designed to meet or exceed OES design requirements. Consider upgrading to Autolite Platinum, Double Platinum or Iridium XP plugs for improved engine performance. Copper core plugs are the industry standard.

Product Features:

• Copper-glass seal bonds insulator, terminal post center electrode together; assures full required voltage at spark gap; gas-tight seal (100% leak proof)
• Multi-rib insulator reduces danger of “flash-over”
• One-piece terminal post adds strength
• Resistor reduces radio frequency interference (RFI) and electrode erosion
• Guaranteed Quick Starts: Autolite Copper Core spark plugs are engineered to ensure quick and reliable engine starts.
• Smooth Acceleration: Designed to provide smooth acceleration, enhancing your driving experience.
• Good Fuel Economy: These spark plugs help in maintaining good fuel economy, making your vehicle more efficient.
• Tapered Seat Type: Features a tapered seat type for optimal fit and performance.

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 center electrode enhances ignitability and overall engine performance.

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
• Tapered Seat Type: The tapered seat type ensures a secure fit and optimal performance in compatible vehicles.

Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, Autolite Platinum spark plugs provide a center wire platinum firing tip which provides reduced gap erosion, fewer misfires, better performance and increased durability. Consider upgrading to Autolite Double Platinum or Iridium XP spark plugs for increased performance.

Product Features:

• High nickel alloy side electrode maintains precise gap
• Full platinum tip assures virtually no gap erosion for long life
• Necked-down center electrode fires quicker, cleaner with less voltage for easier starts, quicker acceleration and improved fuel economy (as compared to standard plugs)

Durability of an OE style plug combined with Power & Torque of high 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 & Torque of high performance.
• Withstands temperatures greater than 4000┬░ Fahrenheit
• Iridium TT
• Advanced Twin-Tip Technology: Combines a Fine Wire Iridium Center Electrode with a Needle Tip Platinum Ground Electrode for superior ignition and efficiency.
• Enhanced Fuel Economy and Lower Emissions: Designed to provide better fuel economy and reduced emissions, allowing you to drive around the Earth over 4 times.
• Original Equipment Specification: Developed from the Super Ignition Plug (SIP) design, ensuring reliable and consistent performance.

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 exceptional acceleration and improved fuel efficiency, making them ideal for performance enthusiasts.
• Extreme Ignitability and Anti-Fouling: These spark plugs offer extreme ignitability and exceptional resistance to fouling, ensuring reliable performance in various driving conditions.

ACDelco GM Original Equipment Conventional Spark Plugs are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These Conventional Spark Plugs are designed for reliability and efficient performance, and are a high quality replacement for many vehicles on the road today. Their high-quality copper cores and outstanding suppression characteristics deliver reliable performance. They are also available for Marine applications. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function. ACDelco GM Original Equipment parts are the true OE parts installed during the production of 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:

• GM regularly updates production and service part designs to integrate new materials and technologies

Increased performance with World’s smallest Iridium Center Eletrode (0.4mm).

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° 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

Dependable Performance, OE Replacement, RS12YC. This Champion® spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear. The Copper Plus design ensures dependable performance and durability, while the copper core center electrode allows for accurate control of heat range, extending the spark plug’s life. Built to ISO and SAE standards, it offers superior corrosion resistance and proven performance. The nickel center electrode tip and tapered seat type further enhance its reliability, making it an excellent choice for maintaining your engine’s efficiency.

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.

ACDelco Professional Conventional Spark Plugs are designed for reliability and efficient performance, and are a high quality replacement for many vehicles on the road today. Their high-quality copper cores and outstanding suppression characteristics deliver reliable performance. They are also available for Marine applications. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function.

Product Features:

• Black Onyx coating helps reduce corrosion
• Copper core provides great heat transfer and helps maximize plug durability
• Ribbed suppressor seal extends resistance and helps prevent spark ‘flash over’ and misfires
• Nickel-chrome alloy sheathing helps prevent corrosion on center electrode
• Available for use in Marine applications
• 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

Durability of an OE style plug combined with Power & Torque of high 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 & Torque of high performance.
• Withstands temperatures greater than 4000° Fahrenheit
• Iridium TT