Denso 4506 Spark Plug

Overview of Denso Platinum TT Spark Plug 4506

The Denso Platinum TT spark plug 4506 is engineered for reliable ignition performance in a wide range of vehicles including BMW, Toyota, Honda, and Mercedes-Benz models. Designed with advanced materials and a twin-tip ground electrode, this spark plug supports efficient combustion and consistent engine operation.

• Platinum center electrode tip for enhanced durability
• Titanium enhanced twin-tip ground electrode design
• Copper core center electrode for improved conductivity
• Flat seat type with 14mm thread diameter and 26.5mm reach
• Resistance rating of 5000 ohms to reduce electrical noise
• Compatible with multiple makes and models including 4Runner, Camry, 328i, and Grand Cherokee

Technical Features and Specifications

The Denso Platinum TT 4506 spark plug features a platinum tip on the center electrode, which provides longer service life and stable ignition. The twin-tip ground electrode is enhanced with titanium, improving wear resistance and spark efficiency. The core materials include copper for the center electrode and nickel for the ground electrode, optimizing heat transfer and electrical conductivity. With a pre-gap size of 1.0 mm and a manufacturer heat range of 20, this spark plug is designed to maintain optimal combustion temperatures. The flat seat and 16 mm hex size facilitate proper installation and secure fitment in engines requiring a 14 mm thread diameter and 26.5 mm reach.

About the Platinum TT Product Line

The Denso Platinum TT line focuses on secondary ignition components that combine platinum and titanium technologies to enhance spark plug durability and ignition stability. This product line is tailored for vehicles that demand consistent ignition performance under various driving conditions. The twin-tip design reduces misfires and improves throttle response, making it suitable for a broad range of passenger cars and light trucks.

Compatible Vehicles and Applications

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

• BMW 328i, 330i, 525i, X3, X5
• Toyota 4Runner, Camry, Tacoma, Highlander
• Honda Civic, Insight
• Mercedes-Benz E55 AMG, SL55 AMG
• Jeep Grand Cherokee, Wrangler

It is ideal for addressing issues such as:

• Engine misfires and rough idling
• Poor fuel efficiency due to incomplete combustion
• Difficulty starting the engine in cold conditions
• Reduced engine power and acceleration
• Excessive exhaust emissions

Installation Notes and Tips

When installing the Denso Platinum TT spark plug 4506, ensure the correct torque specifications are followed to avoid damage to the spark plug or cylinder head. The flat seat design requires proper seating to maintain compression and prevent leaks. It is recommended to check the pre-gap size of 1.0 mm before installation and adjust if necessary. Use a 16 mm socket for installation and verify compatibility with the vehicle’s engine specifications, especially thread diameter and reach.

Quality Assurance and Warranty

Denso manufactures the Platinum TT spark plug 4506 to meet strict OEM standards, ensuring reliable performance and durability. The use of high-quality materials such as platinum and titanium enhances longevity and consistent ignition. While specific warranty details may vary, Denso products typically come with a limited warranty covering defects in materials and workmanship.