NGK 7131 Spark Plug - Intake Side

Reliable Ignition with NGK Standard Spark Plug 7131

The NGK Standard Spark Plug 7131 is engineered to provide consistent ignition performance for a wide range of vehicles including Audi, Honda, Toyota, and Volkswagen models. Designed with durable materials and precise specifications, this spark plug supports efficient combustion and engine reliability.

• Resistance: 5000 ohms for optimal electrical performance
• Ground Electrode Tip and Configuration: Standard design with a single nickel ground electrode
• Center Electrode: Copper core with nickel tip for effective heat transfer and durability
• Electrical Terminal: Removable nut type for easy installation and maintenance
• Pre-Gap Size: Factory set at .036 inches for precise spark gap
• Hex Size: 13/16 inch for compatibility with common spark plug sockets
• Thread Diameter: 14 mm with a reach of .75 inches and flat seat type
• Manufacturer Heat Range: 6, suitable for a variety of engine conditions
• Insulator Height: 55 mm for proper insulation and heat dissipation

About the NGK Standard Spark Plug Line

The NGK Standard Spark Plug line is designed to meet OEM specifications for secondary ignition components. This product line focuses on delivering reliable ignition performance with standard electrode designs and materials such as nickel and copper. The Standard Spark Plug 7131 is part of this line, offering a balance of durability and efficiency suitable for many passenger vehicles and light trucks.

Technical Details and Compatibility

The NGK 7131 spark plug features a nickel ground electrode and a copper core center electrode with a nickel tip, ensuring effective heat conduction and resistance to electrode wear. The 5000 ohm resistance helps suppress electrical noise, protecting sensitive vehicle electronics. Its removable nut terminal type simplifies installation and replacement. This spark plug is compatible with various makes and models including Audi 5000 Quattro, Honda Civic, Toyota Celica, Volkswagen Golf, and Volvo 740, among others.

Common Applications and Problem Solving

• Restores proper ignition in vehicles experiencing misfires or rough idling
• Improves fuel efficiency by ensuring consistent spark delivery
• Reduces engine hesitation during acceleration
• Helps maintain smooth engine performance in models like the Nissan Pathfinder and Mitsubishi Eclipse
• Prevents ignition system interference with 5000 ohm resistance

Installation Notes and Tips

• Verify the correct spark plug gap of .036 inches before installation
• Use a 13/16 inch socket wrench for proper torque application
• Ensure the flat seat type matches the engine’s cylinder head design
• Check reach length of .75 inches to avoid interference with piston or valves
• Replace spark plugs at manufacturer-recommended intervals for optimal performance

Quality Assurance and Warranty

NGK spark plugs are manufactured to meet strict quality standards, ensuring reliable ignition and durability. The Standard Spark Plug 7131 undergoes rigorous testing for heat range, electrode wear, and electrical resistance. While specific warranty details may vary, NGK products typically come with manufacturer-backed quality assurance to support long-term vehicle performance.