Denso 5070 Spark Plug

Reliable Ignition Performance for Select GM and Ford Vehicles

The Denso Double Platinum 5070 spark plug is engineered to deliver consistent ignition and efficient combustion for a range of vehicles including Buick, Chevrolet, Ford, and more. Designed with durable platinum tips and a copper core, this spark plug supports stable engine operation and longevity.

• Double platinum chip on ground and center electrodes for enhanced durability
• Copper core center electrode for improved conductivity
• Standard ground configuration with nickel ground electrode core
• Pre-gap size of 1.3 mm for optimal spark gap
• Tapered seat type and 18 mm reach for precise fitment
• Hex size of 16.0 mm for easy installation
• Manufacturer heat range rating of 16 for balanced heat dissipation

About the Denso Double Platinum Spark Plug Line

The Double Platinum line from Denso features spark plugs with platinum chips on both the center and ground electrodes. This design reduces electrode wear and maintains a stable spark over time, which is particularly beneficial for vehicles requiring reliable secondary ignition components. The 5070 part number exemplifies this technology, combining platinum durability with a copper core for efficient electrical conductivity.

Technical Details and Compatibility

The Denso 5070 spark plug includes a platinum chip ground electrode tip and a platinum center electrode tip, supported by a copper core center electrode and nickel ground electrode core. It has a single ground electrode with a standard configuration and a pre-gap size of 1.3 mm. The spark plug features a tapered seat and an 18 mm reach, with a thread diameter of 14 mm and a 16 mm hex size for installation. This part is compatible with a wide range of vehicles including Buick, Cadillac, Chevrolet, Ford, GMC, Isuzu, Jaguar, Lincoln, Mazda, Mercury, Oldsmobile, and Pontiac models such as the Camaro, F-150, Explorer, Impala, Mustang, and many others.

Common Applications and Problem Solving

• Restores consistent ignition in engines experiencing misfires
• Improves fuel efficiency by ensuring proper spark delivery
• Reduces electrode wear in high-mileage vehicles
• Helps maintain smooth engine idling and acceleration
• Addresses rough starts and poor throttle response

Installation Notes and Tips

When installing the Denso Double Platinum 5070 spark plug, ensure the pre-gap is set to 1.3 mm if adjustment is necessary. Use a 16 mm socket for proper torque application and verify the tapered seat fits securely to prevent compression leaks. It is recommended to replace spark plugs in sets to maintain balanced engine performance. Always consult the vehicle’s service manual for specific torque specifications and installation procedures.

Quality Assurance and Warranty

Denso spark plugs are manufactured to meet OEM standards, ensuring reliable performance and durability. The Double Platinum 5070 spark plug undergoes rigorous quality control to maintain consistent resistance and electrode integrity. While specific warranty details may vary, Denso products typically come with a limited warranty against manufacturing defects.