NGK Spark Plugs (U.S.A.), Inc. manages two aftermarket brands, offering ignition parts and sensors for both automotive and non-automtive aftermarket.

Get your engine running with a full line of spark plugs, coils and wire sets from NGK. Our ignition parts cover 95% of import and domestic vehicles and are engineered to the highest durability and operational standards to meet or exceed OE requirements. Learn …

Designed and manufactured in our ISO 17025 accredited lab, NGK ignition coils are engineered to OE durability and performance. With more than 277 ignition coil part numbers and 90% VIO coverage, NGK is The Ignition Specialist™.

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The product portfolio from the NGK Ignition Parts brand includes high-quality ignition components, grouped into four product lines offering very high vehicle coverage: Spark plugs, glow plugs, ignitions coils, and ignition cables and connectors.

NGK ignition coils are manufactured to OE standards for the highest durability and operational performance, so they can be installed with OE confidence. NGK coil designs are developed and proven tough in their ISO 17025 accredited test lab at extreme conditions that are far beyond any operational environment that a vehicle would experience.

Order by 1pm PST M-F for same day shipping. Shop NGK parts for automotive, motorcycle, marine and lawn and garden applications on NGK.com. Buy NGK products directly from an official NGK distributor.

NGK ignition coils are accurately engineered for a precise fit (correct seating), superior vibration resilience, exceptional short-circuit and moisture resistance, and long-lasting durability. Symptoms of a bad or failing ignition coil include engine misfiring, rough idle, a reduction in power and even a complete failure to start the vehicle.

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An NGK coil is known as one of the best ignition coils because of its use of ASICs or application-specific integrated circuits. These special-built circuits are known for their reliability, are more efficient than standard circuits and they're designed to …