Ngk V-Power Plugs 3951

The NGK V-Power Plugs 3951 is a premium resistor spark plug engineered for reliable ignition performance across a wide range of automotive applications. Designed for vehicles requiring a 14mm thread diameter with a tapered seat configuration, this spark plug delivers consistent firing and reduced electromagnetic interference for cleaner engine operation. Whether you're maintaining daily-driver reliability or optimizing performance, the NGK V-Power 3951 is the trusted choice for drivers who demand OEM-quality ignition components.

Built with NGK's proven V-Power technology, this plug features a resistor design that suppresses radio frequency interference while maintaining optimal electrode gap and heat range for your engine's specifications. The 0.689-inch reach ensures proper seating depth within the cylinder head, while the tapered seat geometry guarantees a secure fit without requiring a gasket. NGK's advanced ceramic insulator and nickel-alloy electrodes provide extended service life and faster, more complete combustion, translating to improved fuel efficiency and reduced emissions.

This spark plug is ideal for mechanics, fleet managers, and vehicle owners seeking a direct replacement for worn or fouled plugs in compatible domestic and imported vehicles. Installation is straightforward—simply remove the old plug, verify the gap setting matches your engine's factory specification, and thread the new NGK V-Power 3951 into the cylinder head. For best results, replace all plugs as a set according to your vehicle manufacturer's maintenance schedule, typically every 30,000 to 100,000 miles depending on driving conditions and engine type.