Saturn L300 Spark Plugs

Experience the perfect blend of durability and high performance with this spark plug, designed to deliver exceptional power and torque. 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, enduring temperatures over 4000 Deg F. The advanced 360-degree laser welding process ensures a robust bond and structural integrity, while the Twin-Tip Technology combines a fine wire Iridium Center Electrode with a Needle Tip Platinum Ground Electrode for superior ignition. With over 100,000 miles of reliable performance, this plug enhances fuel economy, reduces emissions, and is crafted from premium materials for long-lasting endurance. Designed with a flat seat type, it offers OE-style reliability with the added benefits of cutting-edge engineering.

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
• Ultimate Endurance and Power: The DENSO Iridium TT Spark Plug features a 0.7mm Iridium Tip, ensuring over 100,000 miles of uncompromised performance.
• Advanced Twin-Tip Technology: Developed from Original Equipment Specification Super Ignition Plug (SIP) design, combining a Fine Wire Iridium Center Electrode with a Needle Tip Platinum Ground Electrode.
• Enhanced Fuel Economy and Lower Emissions: Drive around the Earth over 4 times with improved fuel efficiency and reduced emissions.
• Premium Materials: Features an Iridium Center Electrode Tip and a Flat Seat Type for optimal performance and durability.

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 ensures superior wear resistance for extended performance life.

Double Platinum Spark Plug offers enhanced durability and performance with its platinum-to-platinum design, effectively reducing gap erosion and minimizing misfires for a longer service life. Engineered for distributor-less ignition system (DIS) engines, it outperforms copper and standard platinum plugs. The yttrium-enhanced ground electrode ensures superior heat transfer, maintaining 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 reliable operation. Featuring a mid-projection center electrode and flat seat type, this performance-grade spark plug is built with platinum-tipped electrodes for consistent ignition and lasting reliability. Designed to deliver exceptional value, it is a dependable choice for those seeking improved engine efficiency and longevity.

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 ensure consistent ignition and reliable performance in demanding conditions.

BOSCH OE Fine Wire Double Iridium. All iridium plugs are NOT created equal. Give your customers the only one engineered for both high performance and long life. The ultra fine wire design and laser welded, tapered ground electrode deliver the ultimate in ignitability and high performance. The iridium-alloy center electrode firing pin and laser welded ground electrode with iridium alloy inlay help it to go the distance.

Product Features:

• Double Iridium electrodes iridium firing pin and iridium ground electrode inlay offer higher performance and 4 times longer life compared to standard copper spark plugs.
• OE Fine Wire design requires up to 24% less voltage to ignite
• 360 degree continuous laser welding increases durability for increased life
• Copper core provides broader heat range to resist pre-ignition and fouling
• Pre-gapped and nickel plated threads allow for quick installation without adjusting the gap or applying anti-seize
• Tapered ground electrode allows for better ignition throughout the life of the spark plug
• Customer satisfaction guarantee (visit www.boschautoparts.com/sparkplugs for details)

Autolite Platinum spark plugs are crafted for superior 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 resists gap erosion, extending service life, while the high alumina ceramic insulator offers excellent thermal conductivity and insulation for added strength. A multi-rib insulator prevents flash-over, ensuring reliable operation, and the nickel-plated shell resists corrosion for long-lasting durability. With a mid-projection standard center electrode design 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 dependable choice for maintaining engine efficiency and 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 for consistent and reliable engine performance.

Double Platinum Spark Plug: Enhanced Durability & Longer Service Life is engineered for peak performance and reliability. Featuring a platinum-to-platinum design, it minimizes gap erosion and reduces misfires, ensuring consistent ignition and extended service life. The yttrium-enhanced ground electrode offers superior heat transfer, making it highly durable under extreme temperatures and pressure. Its high alumina ceramic insulator optimizes thermal conductivity and dielectric strength, while the multi-rib insulator prevents flash-over for added safety. Designed with a mid-projection standard center electrode and tapered seat type, this spark plug is tailored for performance-grade applications. Both the center and ground electrode tips are crafted from platinum, delivering enhanced durability and efficiency. Ideal for distributor-less ignition system (DIS) engines, it outperforms copper and standard platinum plugs, making it a valuable upgrade for those seeking reliability and longevity in their ignition system.

Product Features:

• Engineered with a platinum-to-platinum design that prevents gap erosion, extending the life of the spark plug.
• The yttrium-Enhanced Ground Electrode delivers superior heat transfer that delivers more durability under high temps and pressure for greater life.
• Its high alumina ceramic insulator provides optimum thermal conductivity and dielectric strength.
• The multi-rib insulator prevents flash-over.
• Designed with a mid-projection center electrode and tapered seat type, this spark plug ensures precise fit and optimal performance for performance-grade applications.

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.
• Superior Durability: Autolite Iridium Ultra Laser Fine wire Spark Plugs are designed to last longer, providing extended service life compared to standard spark plugs.
• OE Fit and Function: Autolite Spark Plugs are the best alternative to original equipment (OE) spark plugs, offering perfect fit, form, and function for all foreign and domestic makes and models.
• High-Quality Construction: As a leading supplier of spark plugs globally, Autolite ensures the highest quality ignition products for both the automotive aftermarket and original equipment manufacturers.
• Value Pricing: Despite their advanced technology and superior performance, Autolite Iridium Ultra Laser Fine wire Spark Plugs are available at a value price, making them an economical choice for vehicle maintenance.

The Iridium Power Spark Plug features the world’s smallest Iridium center electrode at just 0.4mm, delivering unmatched spark precision for maximum combustion and performance. Engineered with patented 360-degree laser welding, it ensures durability and reliability even under extreme conditions, withstanding temperatures over 4000 Deg F. The U-groove and taper-cut ground electrode design enhances flame propagation, boosting horsepower and fuel efficiency while reducing misfires under heavy loads. Its burnished nickel plating provides superior resistance to high temperatures and corrosion, ensuring long-lasting performance. This spark plug requires 5,000 volts less to fire compared to conventional plugs, making it ideal for demanding applications. With a tapered seat type for optimal fit and compatibility across thousands of vehicles, including classic and collector cars, the DENSO Iridium Power spark plug is the ultimate choice for drivers seeking enhanced efficiency, faster starts, and superior engine 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
• Superior Performance: This spark plug requires 5,000 volts less to fire compared to conventional spark plugs, providing maximum performance even under extreme conditions.
• Enhanced Horsepower and Efficiency: Enjoy more horsepower, faster and easier starts, fewer misfires under heavy loads, and better fuel efficiency with the DENSO Iridium Power spark plug.
• Patented Iridium Technology: The patented technology of the Iridium Power plug ensures it outperforms any other spark plug available today.
• Tapered Seat Type: Designed with a tapered seat type for optimal fit and performance in your engine.

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 Performance: NGK Iridium IX spark plugs are specifically designed for performance enthusiasts, providing exceptional acceleration and high fuel efficiency.
• Extreme Durability: The Iridium fine wire center electrode is six times harder than platinum, ensuring long-lasting durability and reliability.
• Enhanced Ignitability: These spark plugs offer extreme ignitability and exceptional anti-fouling, making them ideal for high-performance engines.
• Improved Engine Response: The tapered cut ground electrode enhances starting, idling, and throttle response for a smoother driving experience.

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 tapered 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

Autolite Copper spark plugs are crafted to ensure reliable performance and durability for your vehicle or application. Featuring a copper core center electrode, these spark plugs excel in thermal control and resist fouling, ensuring consistent operation. The high nickel alloy center and ground electrodes are designed for extended life, while the mid-projection center electrode enhances ignition efficiency. Built with a high alumina multi-rib ceramic insulator, these plugs offer superior thermal conductivity and insulation, boosting strength and reliability. The nickel-plated shell provides exceptional corrosion resistance, making them ideal for long-term use. With a flat seat type and integrated resistor, these spark plugs deliver quick starts and meet performance expectations, offering great value for regular-grade applications.

Product Features:

• The copper core center electrode aids in thermal control and improves resistance to fouling.
• Its specially engineered high nickel alloy center and ground electrode provides extended life.
• The high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength.
• Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
• The integrated resistor ensures quick starts and optimized performance, making it a reliable choice for regular-grade applications.

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:

• 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

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

Product Features:

• Motorcraft spark plugs are matched to specific engines to provide enhanced durability, eliminate misfires, reduce fuel consumption and optimize emissions.
• Backed by Motorcraft’s Service Parts Warranty
• Exact fit for Ford, Lincoln and Mercury vehicles
• Resistant to oxidation and arc erosion.
• Multi-rib insulator protects against misfire.
• Service intervals of up to 100,000 miles.
• Motorcraft Spark Plugs are designed with high quality materials to provide reliable performance for almost any application.
• Motorcraft Spark Plugs are what was in the vehicle when it was manufactured
• Motorcraft ignition components help prevent false check engine lights.
• Engineered for Ford Vehicles: Original equipment on Ford, Lincoln, and Mercury vehicles, ensuring a perfect fit and optimal performance.

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

Product Features:

• One-piece, fired-in suppressor seal blends three glass types for a gas-tight seal that helps reduce radio frequency and engine interference, regulate spark plug energy, and protect against compression pressures for long life
• Double platinum point pad on center and ground electrode offer excellent durability and consistent voltage demands to help reduce wear on ignition system
• Pure copper core results in cooler electrode temperature for maximized durability and fouling resistance
• Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional
• ACDelco GM Original Equipment parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
• GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
• GM regularly updates production and service part designs to integrate new materials and technologies

ACDelco GM Original Equipment Iridium Spark Plugs are designed, engineered, and tested to rigorous standards, and are backed by General Motors. They are our latest in spark plug technology and an exact replacement for your vehicle’s original components. Iridium composition provides a high melting point and great strength, and provides excellent wear resistance and durability. 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:

• Iridium is the latest in spark plug technology and is an exact replacement for vehicles original components
• Iridium composition provides a high melting point and great strength, helps to provide excellent wear resistance and durability
• Iridium offers excellent engine idle stability, reliable cold starting, quick acceleration and smooth performance
• Three Piece Fired in Suppressor seal meters spark energy for long electrode life, helps prevent combustion leakage and helps block radio frequencies that can affect vehicle electronics
• Iridium plugs are laser-welded which provides precision welds, reduces excess debris and wear rate, thus increasing durability
• 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
• Resistor Type: Equipped with a resistor to help reduce radio frequency interference, ensuring smooth engine performance.
• Conical Seat Type: Features a conical seat type for a secure fit and optimal performance in GM vehicles.

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

Product Features:

• SINGLE PLATINUM TIP: Fine wire 0.6 millimeter platinum tip center electrode ensures improved durability and a consistently stable spark
• PLATINUM ALLOY: G-Power platinum provides exceptional value with increased performance and longer service intervals than factory nickel plugs
• TRAPEZOIDAL CUT GROUND ELECTRODE: Reduces quenching design produces improved ignitability and performance
• SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
• COLD-ROLLED THREADS: Prevents cross-threading and damage to cylinder heads
• RECOMMENDED USAGE: Lower cost alternative to double precious metal spark plugs or as an upgrade to OE nickel alloy spark plugs
• Enhanced Vehicle Performance: Experience faster starts and quicker acceleration compared to conventional nickel spark plugs, making it an excellent upgrade for vehicles originally using nickel alloy spark plugs.
• Economical Upgrade: NGK G-Power Platinum spark plugs provide a cost-effective solution for upgrading your vehicle’s spark plugs without compromising on quality.
• Compatibility and Versatility: Ideal for a wide range of vehicles, these spark plugs are a perfect fit for those looking to replace their nickel alloy spark plugs with a more durable and efficient option.

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.

Experience the perfect blend of durability and high performance with this Iridium TT Spark Plug. Engineered with a 0.4mm Iridium Center Electrode – the world’s smallest diameter – it maximizes firing potential for unmatched ignition efficiency. The 0.7mm Needle Tip Ground Electrode enhances spark energy while minimizing heat quenching, ensuring consistent performance. Built with DENSO’s patented Iridium-Rhodium alloy formula, this spark plug boasts the highest concentration of iridium for exceptional durability, withstanding temperatures over 4000 Deg F. Its advanced 360-degree laser welding process guarantees a robust bond and structural integrity. Designed for ultimate endurance, it delivers over 100,000 miles of reliable performance while improving fuel economy and reducing emissions. The innovative Twin-Tip Technology combines a fine-wire Iridium Center Electrode with a Needle Tip Platinum Ground Electrode, offering OE-style reliability with the added power and torque of a high-performance plug. Featuring a tapered seat type and premium materials, this spark plug is the ideal choice for drivers seeking long-lasting quality and enhanced engine efficiency.

Product Features:

• 0.4mm Iridium Center Electrode: World’s Smallest Diameter that maximizes firing potential
• 0.7mm Needle Tip Ground Electrode: Promotes higher spark energy and less heat quenching
• DENSO Patented Optimized Iridium-Rhodium Alloy Formula: Highest concentration of Iridium vs. competitors for greater durability
• DENSO Patented 360 degree laser welding process: Ensuring exceptional quality bond and structural strength with the Iridium Center Electrode
• Durability of an OE style plug combined with Power and Torque of high performance.
• Withstands temperatures greater than 4000 degree Fahrenheit
• Iridium TT
• Ultimate Endurance and Power: The DENSO Iridium TT Spark Plug features a 0.7mm Iridium Tip, ensuring over 100,000 miles of uncompromised performance.
• Advanced Twin-Tip Technology: Developed from Original Equipment Specification Super Ignition Plug (SIP) design, combining a Fine Wire Iridium Center Electrode with a Needle Tip Platinum Ground Electrode.
• Enhanced Fuel Economy and Lower Emissions: Drive around the Earth over 4 times with improved fuel efficiency and reduced emissions.
• Premium Materials: Features an Iridium Center Electrode Tip and a Tapered Seat Type for optimal performance and durability.

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
• Conical Seat Type: Designed with a conical seat type for a secure fit and reliable function.
• Resistor Type: Includes a resistor to help reduce radio frequency interference, ensuring smooth engine performance.

The Champion Iridium Spark Plug is engineered for maximum performance and durability, making it a top choice for automotive enthusiasts. 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. Its V-trimmed ground electrode design promotes consistent performance, while the Heat-Active alloy allows the electrodes to quickly reach and maintain stable operating temperatures under all engine loads. Built with a flat seat type and resistor functionality, this performance-grade spark plug is designed to deliver long-lasting reliability and enhanced ignition precision. Whether you’re looking to boost your vehicle’s performance or maintain its peak condition, this spark plug offers exceptional value and longevity.

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

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

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 center electrode ensures superior wear resistance for extended performance life.

Copper Plus spark plug RC12MC4 delivers dependable performance and durability, making it an ideal choice for maintaining your vehicle’s efficiency. Featuring a copper core center electrode, it ensures precise heat control and enhanced conductivity, promoting longer life and consistent wear. The nickel-tipped center and ground electrodes provide superior corrosion resistance, ensuring reliable ignition performance over time. Designed to meet ISO and SAE Standards, this spark plug guarantees proven performance and compatibility with standard replacement needs. Its flat seat type and built-in resistor further enhance its functionality, making it a trusted solution for optimal engine operation.

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

The Spark Plug, designed for Ford, Lincoln, and Mercury vehicles, is the trusted choice recommended by Ford Motor Company. Engineered for exceptional durability, it features a high-strength steel high thread construction and advanced materials like platinum-iridium and fine-wire double platinum, ensuring reliable performance over extended service intervals of up to 100,000 miles. For standard applications, options include nickel and standard copper core, offering up to 60,000 miles of dependable use. Its gasket seat type ensures a secure fit, optimizing combustion efficiency and engine performance. This spark plug delivers long-lasting value and compatibility, making it an essential component for maintaining your vehicle’s peak performance.

Product Features:

• Optimized Combustion Efficiency: The gasket seat type ensures a secure fit, enhancing combustion efficiency for improved engine performance.
• Trusted Compatibility: Specifically designed for Ford, Lincoln, and Mercury vehicles, ensuring seamless integration and reliable operation.
• Long Service Intervals: 100,000 mile service interval, High-Strength Steel High Thread, Platinum-Iridium, Fine-Wire Double Platinum, 60,000-100,000 mile service interval, Up to 60,000 mile service interval: Nickel, Standard Copper Core.

The Premium DiamondFire Automotive Spark Plug is engineered to deliver peak performance and efficiency for your vehicle. Featuring E3’s patented Diamond Fire edge-to-edge ground electrode, it ensures a faster, more complete burn for smoother acceleration and idle. The innovative “diamond-shaped” side wire electrode enhances combustion by quickly igniting the air/fuel mixture, resulting in a larger and faster flame kernel. This translates to improved power output – up to 6% on average – and better fuel efficiency, saving you money while reducing engine carbon deposits. Constructed with durable nickel center and ground electrode tips, this spark plug is built to last. Pre-gapped at the factory for hassle-free installation, it provides consistent, reliable performance. With its advanced design, this spark plug maximizes the energy from every drop of fuel, making it an excellent choice for drivers seeking enhanced power, efficiency, and longevity.

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.