NGK 2397 Spark Plug

Reliable Ignition Performance for Audi, Mercedes-Benz, and Volkswagen

The NGK Standard Spark Plug 2397 is engineered to deliver consistent ignition performance for a range of vehicles including Audi A4, A6, and Volkswagen Golf models. Designed with durable materials and precise specifications, this spark plug supports efficient combustion and engine reliability.

• Resistance: 1000 ohms for optimal electrical performance
• Ground Electrode Tip Design: Semi-surface discharge for improved spark efficiency
• Ground Electrode Core Material: Nickel for durability
• Center Electrode Core Material: Copper with nickel tip for enhanced conductivity
• Pre-Gap Size: 0.040 inches for precise spark gap
• Ground Electrode Quantity: 3 for stable ignition
• Hex Size: 5/8 inch for standard installation tools
• Insulator Height: 50.50 mm ensuring proper insulation
• Manufacturer Heat Range: 6 suitable for moderate engine temperatures
• Seat Type: Flat for secure fitment
• Thread Diameter: 14.00 mm with 0.75 inch reach for correct threading
• Electrical Terminal Type: Non-removable nut for reliable connection

About the NGK Standard Spark Plug Line

The NGK Standard Spark Plug line is designed to meet OEM specifications for a wide range of vehicles, providing dependable ignition components that maintain engine performance and fuel efficiency. The Standard Spark Plug 2397 is part of this line, offering a balance of durability and consistent spark delivery suitable for many Audi, Mercedes-Benz, and Volkswagen models.

Technical Details and Application

This spark plug features a semi-surface discharge ground electrode design with three nickel core electrodes, which helps maintain stable ignition and reduces misfires. The copper core center electrode with a nickel tip enhances electrical conductivity and heat dissipation. With a heat range of 6, it is optimized for engines operating under moderate thermal conditions. The flat seat and 14 mm thread diameter ensure proper fitment in compatible engines.

Compatible Vehicles and Common Issues Addressed

• Compatible with Audi models: 90, 90 Quattro, 100, 100 Quattro, A4, A4 Quattro, A6, A6 Quattro
• Compatible with Volkswagen models: Beetle, Golf, Jetta
• Compatible with Mercedes-Benz models: C230, Cabriolet
• Resolves ignition misfires and rough idling
• Improves cold start performance
• Reduces engine hesitation and power loss
• Helps maintain fuel efficiency

Installation Notes and Tips

• Use a 5/8 inch socket for installation and removal
• Ensure the pre-gap of 0.040 inches is maintained or adjusted as needed
• Apply anti-seize compound on threads if recommended by vehicle manufacturer
• Tighten to manufacturer torque specifications to avoid damage
• Inspect ignition wires and connectors during installation for optimal performance

Quality Assurance and Warranty

NGK spark plugs are manufactured to meet strict quality standards, ensuring reliable performance and durability. The Standard Spark Plug 2397 undergoes rigorous testing to comply with OEM requirements. Warranty coverage details should be confirmed with the vehicle manufacturer or parts distributor.