Denso 3070 Spark Plug

Reliable Ignition Performance with Denso 3070 Spark Plug

The Denso 3070 spark plug delivers consistent ignition performance designed for a range of vehicle applications. Engineered with a U-groove ground electrode tip and durable materials, this spark plug supports efficient combustion and reliable engine starts.

• U-groove ground electrode tip design for improved spark exposure
• Nickel ground electrode core and tip for durability
• Copper center electrode core with nickel tip for optimal conductivity
• Standard ground configuration with a single ground electrode
• Flat seat type with 14.00 mm thread diameter and 12.70 mm reach
• Pre-gap size of 0.7 mm for precise spark gap
• Hex size of 20.6 mm for standard installation tools
• Manufacturer heat range of 20 suitable for various engine conditions
• Resistance rating of 5000 ohms to reduce electrical interference

About the Denso U-Groove Conventional Product Line

The Denso U-Groove Conventional spark plug line features a unique U-groove ground electrode tip designed to increase spark exposure to the air-fuel mixture. This design enhances ignition efficiency and combustion stability. The conventional construction uses nickel and copper materials to balance durability and conductivity, making it suitable for many gasoline engines requiring reliable secondary ignition components.

Technical Details and Application

The Denso 3070 spark plug is engineered with a copper core center electrode and nickel tip, providing effective heat dissipation and electrical conductivity. The single nickel ground electrode with a U-groove tip improves spark exposure, which can contribute to more complete combustion. With a flat seat and 14 mm thread diameter, this spark plug fits engines requiring a 12.70 mm reach and a 0.7 mm pre-gap. The resistance of 5000 ohms helps minimize radio frequency interference, supporting stable ignition system performance.

Common Uses and Problem Solving

• Restores proper ignition in engines experiencing misfires
• Improves combustion efficiency in vehicles with worn spark plugs
• Reduces electrical interference affecting ignition systems
• Supports consistent engine starts in cold or variable conditions
• Maintains engine performance in vehicles requiring a heat range 20 spark plug

Installation Notes and Tips

Ensure the spark plug gap is set to 0.7 mm before installation if adjustment is necessary. Use a 20.6 mm socket wrench for proper tightening torque. Verify compatibility with your vehicle’s engine specifications, particularly thread diameter and reach, to avoid damage. Avoid over-tightening to prevent thread damage in the cylinder head.

Quality Assurance and Warranty

Denso spark plugs, including the 3070 model, are manufactured to meet strict quality standards for durability and performance. The materials and design are tested to ensure consistent ignition and long service life. Warranty coverage details should be confirmed with the vehicle manufacturer or parts distributor.