As the largest supplier and manufacturer of spark plugs and oxygen sensors for import and domestic vehicles, we are the industry experts you can count on. With rigorous testing standards and countless first to market technologies, NGK, NTK as leaders in innovation.

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NGK spark plugs push the limits of performance and innovation, bringing the most advanced technology to today’s high-efficiency engines. From the high-tech Ruthenium HX™ to the …

NGK plugs provide more spark to the firing tip to combust more fuel and deliver a higher horsepower. The durable plug design also ensures that you're able to get maximum performance from your engine.

在发动机等内燃机内，电气点燃汽油与空气的混合气体，起到“打火机”功能的装置。

Leading in the automotive industry, NGK spark plugs are available for virtually every type of engine – cars, motorcycles, marine applications, small engines and power tools. The part finder helps find the right spark plug via the arrticle numbers.

NGK iridium spark plugs currently represent the highest-quality technological solution. They feature an iridium-alloy on the middle electrode. It is welded on in a special process using laser. The precious metal iridium starts melting at a temperature of 2450°C and is therefore very resistant to spark erosion.

NAPA carries NGK Spark plugs. Understand the importance of installing quality spark plugs in your car, truck or SUV for a reliable ignition every time.

NGK have over 80 years of experience in spark plug manufacturing. NGK Glow Plugs are at the forefront of technological innovations. NTK is the world’s largest manufacturer of oxygen sensors.