Denso 4716 Spark Plug

Overview of Denso Iridium TT Spark Plug 4716

The Denso Iridium TT spark plug 4716 is engineered for reliable ignition performance in a wide range of vehicles including Buick, Chevrolet, Ford, and GMC models. 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
• Platinum twin-tip ground electrode design
• Copper core center electrode for improved conductivity
• 5000 ohm resistance to reduce electrical noise
• Tapered seat type with 14mm thread diameter and 11.60mm reach
• Hex size of 16mm for standard installation tools
• Manufacturer heat range rating of 20

Detailed Features and Specifications

The Denso Iridium TT spark plug 4716 features a copper core center electrode with an iridium tip, which provides a balance of excellent conductivity and wear resistance. The ground electrode uses a nickel core with a platinum twin-tip design, enhancing spark efficiency and longevity. The single ground electrode with a 1.0mm pre-gap size ensures optimal spark gap for ignition. With a resistance of 5000 ohms, this spark plug helps minimize radio frequency interference, protecting vehicle electronics.

Iridium TT Brand Line Description

The Iridium TT line from Denso focuses on twin-tip technology, combining iridium and platinum materials to improve ignition reliability and electrode life. This design supports stable combustion and reduces misfires, making it suitable for secondary ignition systems in various domestic and import vehicles. The 4716 part number is part of this line, offering a precise fit and performance for compatible models.

Compatible Vehicles and Applications

This spark plug is compatible with a broad range of vehicles, including but not limited to Buick, Cadillac, Chevrolet, Dodge, Ford, GMC, Isuzu, Mercury, Oldsmobile, and Pontiac. It fits models such as the Chevrolet Camaro, Ford F-150, GMC Sierra, Buick Century, and Pontiac Grand Prix, among others.

• Resolves engine misfires and rough idling
• Improves cold start performance
• Reduces spark plug fouling and wear
• Enhances fuel efficiency by ensuring complete combustion
• Minimizes electrical interference with vehicle electronics

Installation Notes and Tips

When installing the Denso Iridium TT spark plug 4716, ensure the tapered seat is clean and free of debris. Use a torque wrench to tighten the spark plug to the manufacturer’s recommended specifications to avoid damage. The 16mm hex size allows for standard spark plug sockets. Check the pre-gap size of 1.0mm before installation and adjust if necessary to match vehicle requirements.

Quality Assurance and Warranty

Denso manufactures the Iridium TT spark plug 4716 to meet strict quality standards, ensuring consistent performance and durability. The use of premium materials such as iridium and platinum contributes to extended service life. While specific warranty details may vary, Denso products typically come with a limited warranty against manufacturing defects.