Denso 3110 Spark Plug

Reliable Spark Plug for Chevrolet Impala and Volkswagen Vanagon

The Denso 3110 spark plug is engineered to deliver consistent ignition performance for select Chevrolet and Volkswagen models. Designed with a U-groove ground electrode tip, this spark plug supports efficient combustion and reliable engine operation.

• U-groove ground electrode tip design for improved spark exposure
• Nickel ground electrode and center electrode tip for durability
• Copper center electrode core for enhanced conductivity
• Standard ground configuration with a single ground electrode
• Flat seat type with 14mm thread diameter and 19mm reach
• Pre-gap size of 0.8 mm optimized for ignition efficiency
• Hex size of 20.6 mm for standard installation tools
• Manufacturer heat range rating of 16 for balanced thermal performance
• Resistance of 5000 ohms to reduce electrical noise interference

About the Denso U-Groove Conventional Spark Plug Line

The U-Groove Conventional line from Denso features spark plugs with a unique U-groove ground electrode tip design. This design increases the spark exposure area, which can contribute to more complete combustion and improved ignition reliability. The conventional construction uses durable nickel and copper materials to maintain consistent performance under typical operating conditions. The Denso 3110 spark plug is part of this line, offering a balance of durability and ignition efficiency for compatible vehicles.

Technical Details and Performance Features

The Denso 3110 spark plug incorporates a copper core center electrode with a nickel tip, providing excellent thermal conductivity and wear resistance. The single nickel ground electrode with a U-groove tip enhances spark exposure, which can improve ignition quality. With a pre-gap size of 0.8 mm and a flat seat design, this spark plug ensures proper fit and reliable spark delivery. The 14 mm thread diameter and 19 mm reach make it suitable for specific engine configurations found in Chevrolet Impala and Volkswagen Vanagon models. Additionally, the 5000 ohm resistance helps minimize electromagnetic interference with vehicle electronics.

Compatible Vehicles and Common Applications

• Replacement spark plug for Chevrolet Impala models requiring a 14 mm thread diameter and 19 mm reach
• Suitable for Volkswagen Vanagon engines compatible with U-groove conventional spark plugs
• Addresses ignition misfires and rough idling issues
• Helps resolve poor fuel economy related to spark plug wear
• Supports stable engine starting and acceleration performance

Installation Notes and Tips

When installing the Denso 3110 spark plug, ensure the pre-gap size of 0.8 mm is maintained or adjusted as needed to match manufacturer specifications. Use a 20.6 mm hex socket for proper tightening torque. Verify the flat seat type matches the engine’s cylinder head design to ensure a secure seal. It is recommended to inspect the spark plug threads and clean the cylinder head threads before installation to prevent cross-threading or damage.

Quality Assurance and Warranty

Denso spark plugs are manufactured to meet strict quality standards for durability and performance. The 3110 spark plug undergoes rigorous testing to ensure consistent ignition and resistance to wear. While specific warranty details are not provided, Denso products typically come with manufacturer-backed quality assurance to support reliable operation in compatible Chevrolet and Volkswagen vehicles.