Denso 4024 Spark Plug

Reliable Ignition Performance with Denso 4024 Spark Plug

The Denso 4024 spark plug from the U-Groove Conventional line offers consistent ignition performance designed for a range of vehicle applications. Engineered with quality materials, this spark plug supports efficient combustion and reliable engine starts.

• Resistance rating of 5000 ohms for optimal electrical performance
• Standard ground electrode tip and configuration for dependable spark delivery
• Nickel ground electrode core and nickel center electrode tip for durability
• Copper center electrode core material to enhance conductivity
• Pre-gap size of 0.7 mm for precise spark gap
• Single ground electrode design with a 20.6 mm hex size for easy installation
• Flat seat type and 12.70 mm reach for proper fitment
• Thread diameter of 14.00 mm and manufacturer heat range of 22

About the Denso U-Groove Conventional Spark Plug Line

The U-Groove Conventional series by Denso is designed to provide reliable ignition with a focus on standard electrode designs that suit a variety of conventional engine setups. This line emphasizes consistent spark performance and durability, making it suitable for many automotive applications requiring dependable secondary ignition components.

Technical Details and Application

The Denso 4024 spark plug features a copper core center electrode that improves thermal conductivity, helping to maintain stable operating temperatures. The nickel ground electrode and tip provide resistance to wear and corrosion, supporting long service life. With a resistance of 5000 ohms, this spark plug helps reduce electrical noise and interference, which is important for vehicles with sensitive electronic systems. The 0.7 mm pre-gap size ensures optimal spark gap for efficient combustion, while the flat seat and 12.70 mm reach allow for proper sealing and fitment in compatible engines.

Common Uses and Problem Solving

• Restores engine misfire issues caused by worn or fouled spark plugs
• Improves cold start performance in vehicles with secondary ignition systems
• Reduces ignition system electrical interference due to its resistance rating
• Maintains consistent combustion for smoother engine operation
• Supports proper fuel efficiency by ensuring reliable spark delivery

Installation Notes and Tips

When installing the Denso 4024 spark plug, ensure the spark plug gap is set to the recommended 0.7 mm pre-gap size if adjustment is necessary. Use a torque wrench to tighten the spark plug to the vehicle manufacturer’s specifications to avoid damage to the threads or improper sealing. The 20.6 mm hex size allows for standard spark plug socket compatibility. Verify compatibility with your vehicle’s make and model before installation.

Quality Assurance and Warranty

Denso spark plugs, including the 4024 part number, are manufactured to meet strict quality standards for ignition components. The materials and design choices, such as the copper core and nickel electrodes, contribute to reliable performance and durability. Warranty coverage details should be confirmed with the vehicle manufacturer or parts distributor.