Denso 3008 Spark Plug

Overview of the Denso U-Groove Conventional Spark Plug 3008

The Denso U-Groove Conventional spark plug, part number 3008, is engineered for reliable ignition performance in select Acura, Honda, Mazda, Nissan, Plymouth, and Saab vehicles. Designed with a U-groove ground electrode tip, this spark plug supports efficient combustion and consistent engine operation.

• Resistance: 5000 ohms for optimal electrical performance
• U-groove ground electrode tip design for improved spark exposure
• Nickel ground and center electrode tip materials for durability
• Copper center electrode core for enhanced conductivity
• Pre-gap size of 1.1 mm for precise spark gap
• Standard ground configuration with a single ground electrode
• Flat seat type and 19 mm reach for proper fitment
• Hex size of 16.0 mm and thread diameter of 14.0 mm
• Manufacturer heat range rating of 20

Detailed Features and Specifications

The Denso 3008 spark plug features a U-groove ground electrode tip design that increases the spark exposure area, promoting better ignition and combustion efficiency. The ground electrode and center electrode tips are made of nickel, providing resistance to wear and corrosion. The copper core center electrode enhances thermal conductivity, helping to dissipate heat effectively and maintain stable engine temperatures. With a pre-gap size of 1.1 mm, this spark plug ensures consistent spark delivery for smooth engine performance. The flat seat type and 19 mm reach are designed to fit specific engine configurations, making it compatible with various models from Acura, Honda, Mazda, Nissan, Plymouth, and Saab.

About the U-Groove Conventional Product Line

The U-Groove Conventional line from Denso focuses on spark plugs with a unique U-groove ground electrode tip design. This design improves spark exposure compared to traditional plugs, which can enhance combustion efficiency and ignition reliability. The conventional construction balances durability and performance, making it suitable for a range of secondary ignition applications in compatible vehicles.

Compatible Vehicles and Common Applications

• Acura Integra, Legend, and Prelude models
• Honda Civic and CRX models
• Mazda 323
• Nissan 300ZX and Prowler
• Plymouth and Saab 900 and 9000 series

Installation Notes and Tips

• Ensure the spark plug gap is set to 1.1 mm before installation
• Use a 16 mm socket wrench for proper tightening
• Verify the flat seat type matches the engine’s cylinder head design
• Apply anti-seize compound on threads if recommended by the vehicle manufacturer
• Torque to manufacturer specifications to avoid damage or improper sealing

Quality Assurance and Warranty

Denso spark plugs, including the 3008 model, are manufactured to meet strict quality standards for ignition components. The use of nickel and copper materials ensures durability and consistent performance under normal operating conditions. While specific warranty details may vary, Denso products typically come with manufacturer-backed quality assurance to support reliable engine operation.