Denso 3047 Spark Plug

Reliable Ignition with Denso U-Groove Conventional Spark Plug 3047

The Denso U-Groove Conventional Spark Plug 3047 is engineered to deliver consistent ignition performance for a range of vehicles including Dodge, Mazda, Mitsubishi, Porsche, Subaru, Volkswagen, and Volvo models. Designed with precision materials and a unique U-groove ground electrode tip, this spark plug supports efficient combustion and engine reliability.

• 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
• Pre-gap size of 0.8 mm for precise ignition timing
• Flat seat type with 14 mm thread diameter and 19 mm reach
• Hex size of 20.6 mm for easy installation
• Manufacturer heat range rating of 20 suitable for various driving conditions
• Resistance of 5000 ohms to reduce electrical noise interference

About the U-Groove Conventional Product Line

The U-Groove Conventional spark plug line from Denso features a distinctive U-shaped groove on the ground electrode tip. This design increases the spark exposure area, which can enhance ignition efficiency and combustion stability. The conventional construction balances performance and durability, making it suitable for a wide range of secondary ignition applications in compatible vehicles.

Technical Details and Compatibility

This spark plug is compatible with multiple vehicle makes and models, including Dodge Challenger, Mazda 626, Mitsubishi Eclipse, Porsche 924, Subaru Standard, Volkswagen Golf and Jetta, and Volvo 740 and 760 series. The part number 3047 ensures precise fitment with a 14 mm thread diameter, 19 mm reach, and a flat seat type. The nickel and copper electrode materials provide reliable conductivity and wear resistance, supporting consistent engine performance.

Common Applications and Issues Addressed

• Restores stable ignition in vehicles experiencing misfires
• Improves fuel efficiency by ensuring complete combustion
• Reduces engine hesitation and rough idling
• Helps maintain smooth acceleration in Dodge, Mazda, and Volkswagen models
• Addresses ignition noise interference with 5000 ohm resistance

Installation Notes and Tips

When installing the Denso 3047 spark plug, ensure the pre-gap of 0.8 mm is maintained for optimal performance. Use a 20.6 mm socket for proper torque application. Verify the flat seat type matches the engine specifications to avoid sealing issues. It is recommended to replace spark plugs in sets to maintain balanced engine operation.

Quality Assurance and Warranty

Denso spark plugs are manufactured to meet strict quality standards, ensuring durability and consistent performance. The 3047 spark plug undergoes rigorous testing for heat range and electrical resistance. While specific warranty details may vary, Denso products typically come with manufacturer-backed quality assurance to support reliable ignition system operation.