Denso 4706 Spark Plug

Overview of Denso Iridium TT Spark Plug 4706

The Denso Iridium TT spark plug 4706 is engineered for reliable ignition performance across a wide range of vehicles including Acura, BMW, Ford, Honda, Toyota, and more. Designed with advanced materials and a twin-tip ground electrode, this spark plug supports efficient combustion and consistent engine operation.

• Iridium center electrode tip for enhanced durability and ignition
• Platinum twin-tip ground electrode design for improved spark stability
• Copper core center electrode for optimal conductivity
• Flat seat type with 14mm thread diameter and 19mm reach
• Manufacturer heat range 16 suitable for various engine conditions
• Pre-gap size of 1.0 mm for precise spark gap
• Hex size 16 mm for standard installation tools

Detailed Features and Specifications

The Denso Iridium TT 4706 spark plug features a copper core center electrode with an iridium tip, which provides a balance of excellent conductivity and long service life. The ground electrode is constructed from nickel with a platinum twin-tip design, enhancing spark efficiency and reducing electrode wear. This spark plug has a single ground electrode with a flat seat, a 14 mm thread diameter, and a 19 mm reach, making it compatible with many popular models such as the Toyota Camry, Honda Prelude, Ford Taurus, and BMW 750iL. The manufacturer heat range of 16 ensures the plug operates effectively under various thermal conditions, helping to maintain engine performance and fuel efficiency.

Iridium TT Product Line Information

The Iridium TT line from Denso is designed to combine the benefits of iridium and platinum electrode technology. The twin-tip ground electrode design improves ignitability and combustion efficiency, which can contribute to smoother engine starts and reduced misfires. This product line is suitable for drivers seeking a spark plug that balances durability with consistent ignition performance across a broad range of vehicle makes and models.

Applications and Problem Solving

• Compatible with Acura, BMW, Ford, Honda, Toyota, and other makes and models
• Helps reduce engine misfires and rough idling
• Supports improved fuel efficiency and combustion stability
• Addresses ignition issues related to electrode wear and gap erosion
• Suitable for vehicles requiring a heat range 16 spark plug

Installation Notes and Tips

• Ensure the spark plug gap is set to 1.0 mm before installation if adjustment is needed
• Use a 16 mm socket wrench for proper tightening
• Apply anti-seize compound sparingly on threads if recommended by the vehicle manufacturer
• Torque to manufacturer specifications to avoid damage to the spark plug or cylinder head

Quality Assurance and Warranty

Denso manufactures the Iridium TT 4706 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. Refer to the vehicle or part documentation for exact warranty terms.