NGK 7990 Spark Plug

Reliable Ignition Performance for Mitsubishi and Toyota Vehicles

The NGK V-Power Spark Plug 7990 is engineered to deliver consistent ignition and efficient combustion for select Mitsubishi and Toyota models. Designed with durable materials and precise specifications, this spark plug supports optimal engine performance and reliability.

• Resistance: 5000 ohms for stable electrical flow
• Ground Electrode Tip and Configuration: Standard design with a single nickel ground electrode
• Center Electrode: Copper core with nickel tip for effective conductivity
• Pre-Gap Size: .032 inches for accurate spark gap
• Thread Diameter: 14.00 mm with a 5/8 inch hex size for secure installation
• Insulator Height: 50.50 mm with a flat seat type
• Manufacturer Heat Range: 6, suitable for moderate operating temperatures
• Electrical Terminal: Non-removable nut type for reliable connection

About the NGK V-Power Spark Plug Line

The V-Power Spark Plug line from NGK focuses on delivering dependable ignition components that meet OEM specifications. This product line emphasizes quality materials such as copper core center electrodes and nickel ground electrodes to maintain consistent spark performance and durability. The 7990 part number within this line is tailored for secondary ignition systems in various Mitsubishi and Toyota models, ensuring compatibility and reliable operation.

Technical Details and Compatibility

The NGK 7990 spark plug features a copper core center electrode with a nickel tip, providing efficient electrical conductivity and heat dissipation. The single ground electrode made of nickel offers durability and consistent spark delivery. With a pre-gap size of .032 inches and a heat range of 6, this spark plug is designed to maintain optimal combustion conditions. Its flat seat and 14 mm thread diameter ensure proper fitment and sealing in the combustion chamber.

Compatible Vehicles and Applications

• Mitsubishi models including Eclipse and Galant
• Toyota models such as Avalon, Camry, RAV4, Sequoia, Sienna, Solara, and Tundra
• Ideal for secondary ignition systems requiring a reliable spark plug with these specifications
• Addresses ignition misfires, rough idling, and poor fuel efficiency
• Helps maintain smooth engine start and consistent power delivery

Installation Notes and Tips

When installing the NGK V-Power Spark Plug 7990, ensure the spark plug gap is set to the specified .032 inches if adjustment is necessary. Use a torque wrench to tighten the spark plug to the manufacturer’s recommended torque to avoid damage to the threads or improper sealing. The 5/8 inch hex size allows for standard spark plug socket compatibility. Verify compatibility with your vehicle’s engine specifications before installation.

Quality Assurance and Warranty

NGK spark plugs are manufactured to meet strict quality standards, ensuring reliable performance and durability. The V-Power Spark Plug 7990 undergoes rigorous testing to comply with OEM requirements. While specific warranty details may vary, NGK products typically come with a limited warranty against manufacturing defects. Consult NGK or your parts provider for exact warranty terms.