Denso 4062 Spark Plug

Reliable Ignition Performance with Denso 4062 Spark Plug

The Denso 4062 spark plug from the U-Groove Conventional line offers consistent ignition performance designed for a range of vehicle applications. Engineered with a U-groove ground electrode tip and durable materials, this spark plug supports efficient combustion and reliable engine starts.

• U-groove ground electrode tip design for improved spark exposure
• Standard ground configuration with a single ground electrode
• Nickel ground electrode core and tip for durability
• Copper center electrode core with nickel tip for optimal conductivity
• Pre-gap size of 0.7 mm for precise spark gap
• Flat seat type with 19.00 mm reach and 14.00 mm thread diameter
• Hex size of 20.6 mm for standard installation tools
• Manufacturer heat range rating of 31 for balanced heat dissipation

About the Denso U-Groove Conventional Spark Plug Line

The U-Groove Conventional product line by Denso focuses on spark plugs featuring a unique U-groove ground electrode tip design. This design enhances spark exposure to the air-fuel mixture, promoting more efficient combustion. The conventional construction uses nickel and copper materials to balance durability and conductivity, making it suitable for many gasoline engines requiring reliable secondary ignition components.

Technical Details and Specifications

The Denso 4062 spark plug incorporates a nickel ground electrode core and tip, which provides resistance to wear and corrosion. The copper center electrode core improves thermal conductivity, helping maintain stable operating temperatures. With a pre-gap size of 0.7 mm, this spark plug ensures consistent spark delivery. The flat seat type and 19.00 mm reach make it compatible with various engine designs, while the 14.00 mm thread diameter and 20.6 mm hex size allow for straightforward installation using common tools. The heat range of 31 is calibrated to balance heat dissipation and prevent fouling or overheating under typical operating conditions.

Common Applications and Problem Solving

• Restores proper ignition in engines experiencing misfires or rough idling
• Helps improve fuel efficiency by ensuring complete combustion
• Reduces engine hesitation during acceleration
• Prevents spark plug fouling in standard driving conditions
• Supports consistent engine starts in compatible vehicles

Installation Notes and Tips

Before installation, verify compatibility with your vehicle’s make and model to ensure proper fitment. Use a torque wrench to tighten the spark plug to the manufacturer’s recommended specifications to avoid damage to the threads or improper sealing. Check the pre-gap size of 0.7 mm before installation and adjust if necessary to match your engine’s requirements. The 20.6 mm hex size allows for use of standard spark plug sockets during removal and installation.

Quality Assurance and Warranty

Denso spark plugs, including the 4062 part number, are manufactured to meet strict quality standards for durability and performance. While specific warranty details may vary, Denso products typically come with manufacturer-backed warranties covering defects in materials and workmanship. Always consult the product documentation or manufacturer for exact warranty terms.