Denso 3134 Spark Plug

Reliable Ignition Performance for Select Vehicles

The Denso Double Platinum 3134 spark plug is engineered to deliver consistent ignition performance for a range of vehicles including Audi A4 Quattro, Toyota Tacoma, and Jeep Grand Cherokee. Designed with durable materials and precise specifications, this spark plug supports efficient combustion and engine reliability.

• Double platinum electrodes for enhanced durability and stable spark
• Center electrode with copper core and platinum tip for optimal conductivity
• Ground electrode features a platinum chip for extended wear resistance
• Standard ground configuration with nickel core ground electrode
• Pre-gap size of 1.1 mm for precise ignition timing
• Flat seat type with 14 mm thread diameter and 19 mm reach
• Hex size of 16.0 mm for easy installation
• Manufacturer heat range rating of 16 suitable for various driving conditions

About the Denso Double Platinum Spark Plug Line

The Double Platinum line from Denso is designed to provide improved durability and consistent ignition performance by utilizing platinum on both the center and ground electrodes. This dual platinum design reduces electrode wear and maintains a stable spark over time, making it suitable for vehicles requiring long-lasting spark plugs. The 3134 part number exemplifies these qualities with its copper core center electrode and platinum chip ground electrode, ensuring reliable ignition in compatible models.

Technical Details and Specifications

The Denso 3134 spark plug features a copper core center electrode with a platinum tip, which enhances electrical conductivity and heat dissipation. The ground electrode includes a platinum chip on a nickel core, providing resistance to wear and corrosion. With a pre-gap size of 1.1 mm and a flat seat design, this spark plug ensures proper sealing and ignition timing. The thread diameter of 14 mm and reach of 19 mm make it compatible with a variety of engines. The hex size of 16.0 mm allows for straightforward installation using standard tools.

Compatible Vehicles and Applications

This spark plug is compatible with multiple makes and models, including but not limited to:

• Audi A4 Quattro and A5 Quattro
• Toyota Tacoma, Corolla, and Supra
• Jeep Grand Cherokee and Commander
• Hyundai Sonata and Kia Optima
• Chevrolet Avenger and Dodge Ram 1500

It is designed for use in secondary ignition systems where reliable spark delivery is critical for engine performance.

Common Issues Addressed by Denso 3134 Spark Plug

• Misfires caused by worn or corroded spark plugs
• Reduced fuel efficiency due to inconsistent ignition
• Difficulty starting the engine in cold conditions
• Engine hesitation or rough idling
• Premature electrode wear affecting combustion quality

Installation Notes and Tips

• Ensure the spark plug gap is set to 1.1 mm before installation
• Use a torque wrench to tighten to manufacturer specifications to avoid damage
• Inspect the spark plug threads and clean the cylinder head threads if necessary
• Replace spark plugs in sets to maintain balanced engine performance
• Check compatibility with your vehicle’s make and model before installation

Quality Assurance and Warranty

Denso manufactures the 3134 spark plug to meet strict quality standards, ensuring reliable performance and durability. While specific warranty details may vary, Denso products typically come with a limited warranty against manufacturing defects. Always refer to the vehicle manufacturer’s recommendations and warranty guidelines when replacing ignition components.