Denso 4512 Spark Plug

Overview of Denso Platinum TT Spark Plug 4512

The Denso Platinum TT spark plug 4512 is engineered for reliable ignition performance in a variety of vehicles including Audi, Ford, Chevrolet, and Mercedes-Benz models. Designed with advanced materials and a twin-tip ground electrode, this spark plug supports efficient combustion and consistent engine operation.

• Titanium enhanced twin-tip ground electrode for improved ignition
• Platinum center electrode tip for durability and stable performance
• Copper core center electrode for optimal conductivity
• Nickel ground electrode core material for strength
• 5000 ohm resistance to reduce electrical noise
• 1.0 mm pre-gap size for precise spark delivery
• 16 mm hex size and 14 mm thread diameter for standard installation
• Tapered seat type and 18 mm reach for secure fitment
• Manufacturer heat range 20 suitable for various driving conditions

Detailed Features and Specifications

The Denso Platinum TT 4512 spark plug features a unique titanium enhanced twin-tip ground electrode design that enhances ignition reliability and reduces misfires. The platinum tip on the center electrode ensures long-lasting performance by resisting wear and maintaining a consistent spark gap. The copper core center electrode improves thermal conductivity, helping to dissipate heat effectively and maintain optimal operating temperature. The nickel ground electrode core adds durability to withstand combustion chamber conditions. With a resistance of 5000 ohms, this spark plug minimizes electromagnetic interference with vehicle electronics.

Platinum TT Product Line Benefits

The Platinum TT line from Denso focuses on combining platinum durability with a twin-tip electrode design to improve ignition efficiency and spark plug life. This product line is engineered to provide stable combustion and reduce fouling, making it suitable for a wide range of vehicles including luxury and performance models. The 4512 spark plug exemplifies these qualities with its advanced materials and precise construction.

Compatible Vehicles and Applications

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

• Audi A8, A8 Quattro, 190E
• Ford F-150, Mustang, Explorer
• Chevrolet Camaro, Corvette, Cavalier
• Mercedes-Benz models such as the V8 Quattro and others
• Jaguar XJ12, XJS

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

Common Issues Addressed by Denso 4512 Spark Plug

• Engine misfires and rough idling
• Poor fuel efficiency due to incomplete combustion
• Difficulty starting the engine in cold conditions
• Reduced engine power and acceleration
• Ignition system electrical noise affecting vehicle electronics

Installation Notes and Tips

When installing the Denso Platinum TT 4512 spark plug, ensure the pre-gap size of 1.0 mm is maintained for optimal performance. Use a 16 mm socket for proper tightening and verify the tapered seat fits securely in the cylinder head. Avoid over-tightening to prevent damage to the threads or seat. It is recommended to replace spark plugs in sets to maintain consistent engine operation.

Quality Assurance and Warranty

Denso manufactures the Platinum TT spark plugs to meet strict quality standards, ensuring durability and reliable performance. The use of high-grade materials such as platinum and copper contributes to the longevity of the spark plug. While specific warranty details may vary, Denso products typically come with manufacturer-backed quality assurance to support customer confidence in their purchase.