NGK 6937 Spark Plug - Exhaust Side

Reliable Ignition with NGK V-Power Spark Plug 6937

The NGK V-Power Spark Plug 6937 is engineered to deliver consistent ignition performance for a wide range of vehicles including Chevrolet, Honda, Toyota, and Nissan models. Designed with durable materials and precise specifications, this spark plug supports efficient combustion and engine reliability.

• Resistance: 5000 ohms for optimal electrical performance
• Center Electrode Core Material: Copper for excellent conductivity
• Ground Electrode Core Material: Nickel with a standard tip design
• Pre-Gap Size: 0.044 inches for precise spark gap
• Thread Diameter: 14.00 mm with a reach of 0.75 inches
• Hex Size: 13/16 inch for easy installation
• Electrical Terminal Type: Non-removable nut for secure connection
• Manufacturer Heat Range: 5 suitable for moderate engine temperatures
• Seat Type: Flat for proper sealing

About the NGK V-Power Spark Plug Line

The V-Power Spark Plug line from NGK is designed to provide reliable ignition performance with a focus on durability and consistent spark delivery. This line incorporates quality materials such as copper center electrodes and nickel ground electrodes to maintain stable combustion and reduce misfires. The 6937 part number belongs to this line, ensuring compatibility with various secondary ignition systems across multiple vehicle makes and models.

Technical Details and Compatibility

The NGK 6937 spark plug features a single ground electrode with a standard design and nickel tip, paired with a copper core center electrode also tipped with nickel. This combination supports efficient heat dissipation and electrical conductivity. The plug’s resistance rating of 5000 ohms helps suppress electrical noise while maintaining spark quality. Its flat seat and 14 mm thread diameter with a 0.75-inch reach make it compatible with many engines, including models like the Honda Accord, Toyota Camry, Nissan Sentra, and Chevrolet Camaro.

Common Applications and Problem Solving

• Restores proper ignition in Chevrolet, Chrysler, Dodge, Honda, Hyundai, Isuzu, Kia, Mazda, Mitsubishi, Nissan, Plymouth, and Toyota vehicles
• Addresses engine misfires and rough idling caused by worn or faulty spark plugs
• Improves fuel efficiency by ensuring consistent spark delivery
• Reduces ignition system electrical interference with 5000 ohm resistance
• Supports stable engine performance under moderate heat conditions (heat range 5)

Installation Notes and Tips

When installing the NGK V-Power Spark Plug 6937, ensure the spark plug gap is set to the specified pre-gap size of 0.044 inches if adjustment is necessary. Use a torque wrench to tighten the plug to the manufacturer’s recommended specifications to avoid damage to the flat seat or threads. The 13/16 inch hex size allows for standard spark plug socket use. Verify compatibility with your vehicle’s make and model 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 6937 undergoes rigorous testing for electrical resistance, heat range, and material integrity. While specific warranty details may vary, NGK typically offers coverage against manufacturing defects. Always consult NGK or your vehicle’s service manual for warranty and maintenance guidelines.