Denso 3108 Spark Plug

Overview of Denso 3108 Spark Plug for Honda Civic

The Denso 3108 spark plug is designed specifically for Honda Civic models, providing reliable ignition performance. This spark plug features a conventional design with a U-Groove ground electrode, engineered to meet the ignition needs of your vehicle.

• Resistance: 5000 ohms for optimal electrical performance
• Ground Electrode Tip Design: Standard U-Groove
• Ground Configuration: Semi-surface for efficient spark exposure
• Ground Electrode Core Material: Nickel for durability
• Center Electrode Core Material: Copper for excellent conductivity
• Center Electrode Tip Material: Nickel for wear resistance
• Pre-Gap Size: 1.1 mm for precise spark gap
• Ground Electrode Quantity: Single electrode
• Hex Size: 20.6 mm for proper installation torque
• Manufacturer Heat Range: 14 suitable for specific engine conditions
• Seat Type: Flat for secure fitment
• Reach: 19.00 mm thread length
• Thread Diameter: 14.00 mm standard size

About the U-Groove Conventional Brand Line

The U-Groove Conventional spark plug line by Denso is characterized by its unique U-shaped groove on the ground electrode tip. This design enhances spark exposure and combustion efficiency while maintaining a conventional electrode structure. The Denso 3108 spark plug benefits from this design, offering consistent ignition performance tailored for secondary ignition systems in vehicles like the Honda Civic.

Technical Details and Performance

The Denso 3108 spark plug incorporates a copper core center electrode, which provides excellent thermal conductivity to help dissipate heat effectively. The nickel ground and center electrode tips contribute to durability and resistance to electrode wear. With a resistance rating of 5000 ohms, this spark plug helps reduce electromagnetic interference with vehicle electronics. The semi-surface ground configuration and single ground electrode optimize spark exposure, supporting efficient combustion and engine performance.

Compatible Vehicles and Applications

• Compatible with Honda Civic models requiring a 14 mm thread diameter and 19 mm reach spark plug
• Suitable for secondary ignition systems in Honda Civic engines
• Designed to address ignition issues such as misfires, rough idling, and poor fuel economy
• Helps maintain stable engine performance under various driving conditions

Installation Notes and Tips

• Ensure the spark plug gap is set to 1.1 mm pre-gap size before installation
• Use a 20.6 mm hex socket for proper tightening torque
• Verify the flat seat type matches the engine’s cylinder head design
• Apply anti-seize compound sparingly on threads if recommended by the vehicle manufacturer
• Torque to manufacturer specifications to avoid damage or improper sealing

Quality Assurance and Warranty

Denso manufactures the 3108 spark plug to meet strict quality standards, ensuring reliable ignition performance and durability. While specific warranty details may vary, Denso products typically come with manufacturer-backed quality assurance to support long-term use in compatible Honda Civic models.