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 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. When you're searching for NGK spark plugs, AutoZone has a complete variety of plugs at affordable places.

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 industry standard OE-style spark plugs, NGK drives the future of spark plug engineering. Learn where to buy NGK and NTK parts.

NGK IX Iridium Series plugs were designed specifically for the performance enthusiast. Fine wire center electrode ensures high durability and a consistently stable spark. Iridium alloy has an extremely high melting point, perfect for today's high-tech, high performance engines. NGK 6509 LTR6IX-11 Iridium Spark Plug - Same Day Shipping.

Spark Plug; Plug Number: ZFR5F; NGK V-Power spark plugs offer reliable performance and improved ignitability over standard nickel plugs. Engineered specifically for OE applications, the special V-cut nickel alloy center electrode and concave ground electrode of NGK's V-Power spark plug increases ignitability providing quicker starts and ...

NGKs high grade pure alumina ceramic and 98 percent pure copper core prevents the spark plug from overheating while providing reliable starts. Laser Iridium High Ignitability spark plugs feature raised platinum pad or platinum fine wire tip on the ground electrode for even wear in distributor less ignition systems and improved spark performance

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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.

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 …