Denso 5307 Spark Plug

Overview of Denso Iridium Power Spark Plug 5307

The Denso Iridium Power spark plug 5307 is engineered for reliable ignition performance in a wide range of vehicles including Audi, Honda, Volkswagen, and Porsche models. Designed with advanced materials and precise specifications, this spark plug supports efficient combustion and consistent engine operation.

• Iridium center electrode tip for enhanced durability and ignition
• Tapercut, u-groove ground electrode tip design for improved spark exposure
• Copper core center electrode for optimal conductivity
• Nickel ground electrode core material with standard ground configuration
• Flat seat type with 14.00 mm thread diameter and 19.00 mm reach
• Pre-gap size of 0.8 mm and manufacturer heat range of 22
• Hex size of 20.6 mm for installation compatibility
• Resistance rating of 5000 ohms to reduce electrical noise interference

Detailed Features and Specifications

The Denso Iridium Power 5307 spark plug incorporates a copper core center electrode with an iridium tip, which provides a balance of excellent electrical conductivity and wear resistance. The ground electrode features a tapercut, u-groove design made from nickel, enhancing spark exposure and combustion efficiency. With a standard ground configuration and a single ground electrode, this spark plug maintains consistent ignition performance. The flat seat type and 14 mm thread diameter ensure proper fitment in compatible engines, while the 19 mm reach suits various vehicle applications. The pre-gap size of 0.8 mm is optimized for ignition timing and spark quality. Additionally, the 5000 ohm resistance helps minimize radio frequency interference, supporting stable engine electronics.

Iridium Power Product Line Information

The Iridium Power line by Denso focuses on delivering spark plugs with iridium-tipped electrodes, which offer improved durability and ignition efficiency compared to conventional plugs. This product line is designed to provide reliable performance in secondary ignition systems, making it suitable for a variety of passenger cars and performance vehicles. The 5307 spark plug exemplifies the Iridium Power line’s emphasis on precision engineering and material quality.

Compatible Vehicles and Applications

This spark plug is compatible with multiple makes and models, including Audi 80, 80 Quattro, 90, 90 Quattro, 100, 100 Quattro, 200, 200 Quattro, 4000, 4000 Quattro, 5000 Quattro, Honda Accord, Civic, Prelude, Volkswagen models, Porsche 911, 944, 968, and others. It is suitable for vehicles requiring a flat seat spark plug with a 14 mm thread diameter and 19 mm reach.

• Resolves misfires and rough idling issues
• Improves cold start performance
• Reduces engine hesitation during acceleration
• Helps maintain fuel efficiency by ensuring proper combustion
• Minimizes radio frequency interference affecting vehicle electronics

Installation Notes and Tips

When installing the Denso Iridium Power 5307 spark plug, ensure the pre-gap is set to 0.8 mm if not pre-gapped. Use a torque wrench to tighten the spark plug to the manufacturer’s recommended specifications to avoid damage to the threads or improper sealing. The 20.6 mm hex size allows for standard spark plug socket compatibility. Inspect the spark plug seat and threads for cleanliness before installation to ensure proper fitment and sealing.

Quality Assurance and Warranty

Denso manufactures the Iridium Power 5307 spark plug to meet strict quality standards, ensuring consistent performance and durability. The use of iridium and copper materials contributes to long service life under normal operating conditions. While specific warranty details may vary, Denso products typically come with manufacturer-backed quality assurance to support reliability in automotive ignition systems.