NGK is a manufacturer of spark plugs, oxygen sensors, ignition coils, and other automotive components.
Founded in 1936 in Japan
Introduced the world's first copper-core spark plug
Started selling products in the US in 1974
In the 1980s, developed the first oxygen sensor with a built-in heater
Now has manufacturing facilities in Asia, Europe, and North America
Supplies parts for automotive manufacturers like BMW, Honda, and Toyota
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NGK's spark plugs come in a variety of materials, including precious metals like platinum and iridium, for longer-lasting performance.
NGK's oxygen sensors help improve fuel efficiency and reduce emissions by measuring the oxygen content in a vehicle's exhaust gases.
NGK's ignition coils help create a spark that ignites the fuel/air mixture in a gasoline engine, allowing it to run.
NGK stands for Nippon Gaishi Kabushiki Kaisha, which roughly translates to Japan Ignition Co., Ltd.
NGK's spark plugs are known for their quality and performance. That said, different brands may work better for different vehicles, so it's important to consult your vehicle's owner's manual when selecting spark plugs.
Many of NGK's spark plugs come pre-gapped, but some may need to be adjusted based on the vehicle's specifications. Always refer to the vehicle's owner's manual for the correct gap setting.
A bad ignition coil can cause symptoms like rough idling, misfires, and a decrease in power and fuel efficiency. If you notice any of these issues, have your vehicle diagnosed by a qualified mechanic.
Oxygen sensors can become dirty or damaged over time, but it's not recommended to clean them. Instead, they should be replaced based on the manufacturer's recommended schedule or if they fail a diagnostic test.