Denso 3275 Spark Plug

Reliable Ignition Performance for Acura, Honda, and More

The Denso Double Platinum 3275 spark plug is engineered to deliver consistent ignition and efficient combustion for a wide range of vehicles including Acura, Honda, Nissan, and Mercedes-Benz models. Designed with durable platinum tips and a copper core, this spark plug supports stable engine performance and longevity.

• Double platinum chip on ground electrode tip for enhanced durability
• Copper core center electrode with platinum tip for efficient ignition
• Standard ground configuration with nickel ground electrode core
• Pre-gap size of 1.1 mm for optimal spark gap
• Flat seat type with 14 mm thread diameter and 19 mm reach
• Manufacturer heat range rating of 16 for balanced heat dissipation
• Hex size of 16.0 mm for easy installation

About the Denso Double Platinum Spark Plug Line

The Double Platinum line from Denso features spark plugs with platinum on both the center and ground electrodes, providing improved wear resistance and longer service life compared to conventional plugs. This design helps maintain a stable spark over time, which is critical for vehicles such as the Hyundai Elantra, Infiniti G35, and Land Rover Range Rover Sport that require reliable ignition under varied driving conditions.

Technical Details and Compatibility

The Denso 3275 spark plug incorporates a copper core center electrode with a platinum tip, enhancing thermal conductivity and ignition efficiency. The ground electrode features a platinum chip tip and a nickel core, arranged in a standard single ground electrode configuration. With a pre-gap size of 1.1 mm and a flat seat design, this spark plug ensures proper sealing and spark delivery. It is compatible with a broad range of makes and models including Acura TL, Chevrolet Silverado, Honda Civic, Mercedes-Benz SL500, Nissan Maxima, and Suzuki Vitara.

Common Applications and Problem Solving

• Restores engine misfire issues caused by worn or fouled spark plugs
• Improves fuel efficiency by ensuring consistent ignition
• Reduces rough idling and hesitation during acceleration
• Helps maintain smooth engine performance in vehicles like the Kia Sorento and Jaguar XK8
• Supports emission control by promoting complete combustion

Installation Notes and Tips

When installing the Denso Double Platinum 3275 spark plug, ensure the pre-gap is set to 1.1 mm if adjustment is necessary. Use a 16 mm socket wrench for proper torque application to avoid damage to the flat seat threads. It is recommended to replace spark plugs in sets to maintain balanced engine performance. Compatible with vehicles such as the Hyundai Sonata, Infiniti G55 AMG, and Land Rover LR3, this spark plug fits thread diameters of 14 mm and a reach of 19 mm.

Quality Assurance and Warranty

Denso manufactures the 3275 spark plug to meet strict OEM specifications, ensuring reliable performance and durability. The Double Platinum spark plugs undergo rigorous testing for heat range and electrode wear. While specific warranty details may vary, Denso products typically come with a limited warranty covering defects in materials and workmanship.