Denso 3018 Spark Plug

Reliable Ignition Performance for Jeep Grand Wagoneer

The Denso U-Groove Conventional spark plug, part number 3018, is engineered to deliver consistent ignition performance for your Jeep Grand Wagoneer. Designed with precision materials and a unique U-groove ground electrode tip, this spark plug supports efficient combustion and engine reliability.

• 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 0.8 mm for precise ignition timing
• 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 16 suitable for specific engine requirements

About the Denso U-Groove Conventional Product Line

The U-Groove Conventional line from Denso focuses on spark plugs featuring a distinctive U-groove ground electrode tip design. This design enhances spark exposure to the air-fuel mixture, promoting more efficient combustion. The conventional construction balances durability and performance, making it suitable for applications like the Jeep Grand Wagoneer that require reliable secondary ignition components.

Technical Details and Material Composition

This Denso spark plug (part number 3018) incorporates a nickel ground electrode core and tip, providing resistance to wear and corrosion. The center electrode uses a copper core for excellent thermal conductivity, paired with a nickel tip to maintain structural integrity. The single ground electrode configuration and flat seat ensure proper sealing and consistent spark delivery. With a pre-gap size of 0.8 mm and a reach of 19.00 mm, this spark plug is designed to meet the specific ignition needs of the Jeep Grand Wagoneer.

Applications and Problem Solving

• Restores proper ignition timing and spark efficiency in Jeep Grand Wagoneer engines
• Addresses misfires caused by worn or damaged spark plugs
• Improves fuel combustion for smoother engine operation
• Reduces engine hesitation and rough idling issues
• Helps maintain engine performance under varied driving conditions

Installation Notes and Tips

When installing the Denso 3018 spark plug, ensure the pre-gap of 0.8 mm is maintained for optimal ignition. Use a 20.6 mm hex socket for proper torque application. The flat seat design requires careful seating to avoid leaks. Verify thread diameter (14.00 mm) and reach (19.00 mm) compatibility with your Jeep Grand Wagoneer engine to prevent damage. Always follow manufacturer torque specifications during installation.

Quality Assurance and Warranty

Denso spark plugs are manufactured to meet strict quality standards, ensuring reliable performance and durability. The U-Groove Conventional spark plug 3018 undergoes rigorous testing for heat range and material integrity. While specific warranty details are not provided, Denso products typically adhere to industry standards for automotive ignition components.