NGK 97390 Spark Plug

Reliable Ignition with NGK G-Power Spark Plug 97390

The NGK G-Power Spark Plug 97390 is engineered to deliver consistent ignition performance for a range of vehicles including Acura, Honda, Jeep, and Volkswagen models. Designed with durable materials and precise specifications, this spark plug supports efficient combustion and engine reliability.

• Resistance: 5000 ohms for stable electrical performance
• Ground Electrode Tip Design: Trapezoid for optimized spark exposure
• Center Electrode Tip Material: Platinum for enhanced durability
• Center Electrode Core Material: Copper for excellent conductivity
• Ground Electrode Core Material: Nickel for corrosion resistance
• Pre-Gap Size: 0.040 inches for precise spark gap
• Hex Size: 5/8 inch for standard installation tools
• Manufacturer Heat Range: 7 suitable for moderate heat conditions
• Seat Type: Flat for secure sealing
• Thread Diameter: 12.00 mm and Reach: 26.5 mm for proper fitment

About the NGK G-Power Spark Plug Line

The G-Power Spark Plug line from NGK focuses on combining platinum-tipped electrodes with copper cores to balance durability and conductivity. This design helps maintain consistent ignition and extends service life compared to conventional spark plugs. The 97390 part number exemplifies this approach, offering reliable performance for secondary ignition systems in various passenger and light truck applications.

Technical Details and Compatibility

The NGK 97390 spark plug features a trapezoid ground electrode tip and a single ground electrode configuration, which supports efficient spark generation and combustion. The non-removable nut electrical terminal type ensures a secure connection within the ignition system. With a heat range of 7, this spark plug is suitable for engines requiring moderate heat dissipation. Its flat seat type and 5/8 inch hex size facilitate straightforward installation and proper sealing.

Compatible Vehicles and Applications

• Acura models including ILX, RL, RLX, and TSX
• Honda vehicles such as Accord, Civic, CR-V, and Odyssey
• Jeep Wrangler and Cherokee
• Volkswagen models including Routan and Passat
• Other makes like Chrysler, Dodge, Hyundai, Kia, Mitsubishi, Ram, and more

Common Issues Addressed by NGK 97390 Spark Plug

• Misfiring or rough engine idle
• Reduced fuel efficiency due to incomplete combustion
• Difficulty starting the engine
• Engine hesitation or loss of power under acceleration
• Increased emissions from inefficient ignition

Installation Notes and Tips

Before installation, verify the spark plug gap is set to 0.040 inches as specified. Use a 5/8 inch socket wrench for proper torque application to avoid damage to the flat seat. Ensure the spark plug threads match the engine specifications (12.00 mm diameter, 26.5 mm reach). Avoid over-tightening to prevent thread stripping. It is recommended to replace spark plugs in sets to maintain balanced engine performance.

Quality Assurance and Warranty

NGK spark plugs, including the G-Power 97390, are manufactured to meet strict quality standards for ignition components. The use of platinum and copper materials ensures durability and consistent performance. While specific warranty details may vary, NGK products typically come with manufacturer-backed quality assurance to support reliable operation in compatible vehicles.