Find your part or other compatible parts from other brands. NGK.com specializes in hard to find NGK products.

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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.

PROTECT OCTOPUSES Choose a lake or creek near you and help keep it clean. Trash in waterways can flow into the ocean and hurt habitats where octopuses live.

NGK.com stocks every NGK spark plug available, including motorcycle and marine spark plugs, ngk g power, ngk iridium and ngk ruthenium plugs.

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.

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.

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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.

When the heat rating is too low => The spark plug temperature rises too high and induces abnormal combustion (pre-ignition); this leads to melting of the spark plug electrode that could cause problems such as piston seizure. Why is the firing end …