Denso 4714 Spark Plug

Reliable Ignition Performance for Select Vehicles

The Denso Iridium TT spark plug, part number 4714, is engineered to deliver consistent ignition performance for a range of vehicles including Audi, Ford, Chevrolet, and Mercedes-Benz models. Designed with advanced materials and precise specifications, this spark plug supports efficient combustion and engine responsiveness.

• 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
• Nickel ground electrode core material for reliable wear resistance
• Pre-gap size of 1.0 mm for precise spark gap
• Tapered seat type ensuring secure fitment
• 16 mm hex size and 14 mm thread diameter for standard installation
• Manufacturer heat range of 20 suitable for various driving conditions
• 18 mm reach for compatibility with multiple engine designs

About the Denso Iridium TT Product Line

The Iridium TT line from Denso features twin-tip technology combining an iridium center electrode with a platinum ground electrode tip. This design aims to provide a stable spark and improved ignitability, which can contribute to smoother engine operation and better fuel efficiency. The use of iridium and platinum materials enhances electrode longevity compared to conventional spark plugs.

Technical Details and Compatibility

The Denso 4714 spark plug incorporates a single ground electrode with a platinum twin-tip design, supported by a nickel core for durability. The copper core center electrode improves electrical conductivity, facilitating reliable ignition. With a resistance rating of 5000 ohms, this spark plug helps reduce electrical noise interference. Its tapered seat and 18 mm reach make it compatible with a variety of engines.

Compatible Vehicles and Applications

• Compatible with Audi A8 and A8 Quattro models
• Fits Ford F-150, Explorer, Mustang, and Expedition
• Suitable for Chevrolet Camaro, Corvette, and Cavalier
• Works with Mercedes-Benz 190E and other models
• Also compatible with Jaguar XJ12, Land Rover LR3, and Volvo V8 Quattro

Common Issues Addressed by This Spark Plug

• Misfiring or rough idling in compatible vehicles
• Reduced fuel efficiency due to inconsistent ignition
• Difficulty starting engines in cold or variable conditions
• Engine hesitation or loss of power under load
• Excessive electrode wear leading to ignition failure

Installation Notes and Tips

Ensure the spark plug gap is set to the manufacturer’s recommended 1.0 mm pre-gap before installation. Use a 16 mm socket wrench for proper tightening to avoid damage to the tapered seat. It is advisable to replace spark plugs in sets to maintain balanced engine performance. Always consult the vehicle’s service manual for torque specifications and installation procedures.

Quality Assurance and Warranty

Denso spark plugs, including the Iridium TT 4714, are manufactured to meet strict quality standards for durability and performance. The use of premium materials such as iridium and platinum ensures extended service life. While specific warranty details may vary, Denso products typically come with manufacturer-backed coverage against defects in materials and workmanship.