Denso 4717 Spark Plug

Reliable Ignition Performance for Select GM and Ford Vehicles

The Denso Iridium TT spark plug, part number 4717, is engineered to deliver consistent ignition and efficient combustion for 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 optimal engine performance and fuel efficiency.

• Iridium center electrode tip for enhanced durability and precise ignition
• Platinum twin-tip ground electrode design for improved spark stability
• Copper core center electrode for superior conductivity
• Nickel ground electrode core material for reliable wear resistance
• Pre-gap size of 1.0 mm for optimal spark gap
• Tapered seat type and 14 mm thread diameter for secure fitment
• Hex size of 16 mm for easy installation
• Manufacturer heat range of 16 suitable for various driving conditions
• 25 mm reach to fit specific engine configurations

Advanced Iridium TT Technology for Enhanced Ignition

The Iridium TT line from Denso features a twin-tip ground electrode design that combines a platinum tip with a nickel core, paired with an iridium center electrode tip. This configuration reduces voltage requirements and improves ignitability, contributing to smoother engine starts and more efficient combustion. The copper core center electrode enhances thermal conductivity, helping maintain stable operating temperatures and extending spark plug life. The Denso Iridium TT spark plug 4717 is engineered to meet the demands of secondary ignition systems in various GM, Ford, and other compatible vehicles.

Compatible Vehicles and Applications

This spark plug is compatible with a broad range of makes and models, including Buick 300, Chevrolet Camaro, Colorado, and Silverado 1500, Ford F-series trucks, GMC Sierra 1500, Hummer H3, Jeep Wrangler, and Cadillac Escalade among others. It is designed for use in secondary ignition systems where reliable spark delivery is critical for engine performance and emissions control.

• Resolves misfires and rough idling issues
• Improves cold start ignition reliability
• Helps reduce engine knocking and pinging
• Supports consistent fuel combustion and efficiency
• Addresses spark plug fouling and electrode wear

Installation Notes and Tips

When installing the Denso Iridium TT spark plug 4717, ensure the tapered seat is clean and free of debris for proper sealing. Use a torque wrench to tighten to manufacturer specifications to avoid damage to the electrode or threads. The 16 mm hex size allows for standard spark plug socket compatibility. Verify the pre-gap size of 1.0 mm before installation, adjusting if necessary to match vehicle requirements.

Quality Assurance and Warranty

Denso manufactures the Iridium TT spark plug 4717 to meet strict quality standards, ensuring durability and consistent performance. 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, providing confidence in product reliability.