Denso 3461 Spark Plug

Reliable Ignition Performance for Acura, Honda, and More

The Denso Iridium Long Life 3461 spark plug is engineered to deliver consistent ignition performance across a wide range of vehicles including Acura, Honda, Hyundai, Jeep, and Volkswagen models. Designed with durable materials and precise specifications, this spark plug supports efficient combustion and engine reliability.

• Iridium center electrode tip for enhanced durability and ignition
• Platinum chip ground electrode tip for stable spark and longevity
• Copper core center electrode for optimal conductivity
• Standard ground configuration with nickel core ground electrode
• Pre-gap size of 1.1 mm for precise spark gap
• Flat seat type with 12 mm thread diameter and 26.5 mm reach
• Hex size of 16.0 mm for easy installation
• Manufacturer heat range 22 suitable for various driving conditions
• Resistance of 5000 ohms to reduce electrical noise interference

About the Denso Iridium Long Life Spark Plug Line

The Iridium Long Life product line from Denso focuses on combining iridium's high melting point with advanced electrode designs to extend spark plug life and maintain stable ignition. This line is tailored for drivers seeking reliable secondary ignition components that withstand wear and provide consistent engine performance over time. The 3461 spark plug exemplifies these qualities with its iridium center electrode and platinum chip ground electrode tip.

Technical Details and Compatibility

The Denso 3461 spark plug features a copper core center electrode that enhances electrical conductivity, paired with an iridium tip to resist erosion. The ground electrode uses a nickel core with a platinum chip tip, ensuring a stable spark and extended service life. Its flat seat design and 12 mm thread diameter make it compatible with a variety of vehicles. This spark plug is compatible with multiple makes and models, including Acura Accord, Honda Civic, Hyundai Elantra, Jeep Wrangler, and Volkswagen Passat, among others.

Common Applications and Problem Solving

• Replacement for worn or fouled spark plugs causing misfires
• Improves ignition stability in vehicles experiencing rough idling
• Helps restore fuel efficiency by ensuring proper combustion
• Reduces engine hesitation during acceleration
• Addresses ignition noise interference with 5000 ohm resistance

Installation Notes and Tips

When installing the Denso 3461 spark plug, ensure the pre-gap of 1.1 mm is maintained for optimal performance. Use a 16 mm socket wrench to tighten the spark plug to the manufacturer’s torque specifications. The flat seat design requires proper seating to avoid compression leaks. It is recommended to inspect the ignition system and replace spark plugs in sets to maintain balanced engine operation.

Quality Assurance and Warranty

Denso manufactures the 3461 spark plug to meet strict quality standards, ensuring durability and consistent performance. The use of iridium and platinum materials contributes to extended service life compared to conventional spark plugs. While specific warranty details may vary, Denso products typically come with manufacturer-backed warranties covering defects in materials and workmanship.