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The Ignition and Sensor Specialist

Founded in 1936 as a manufacturer of spark plugs, the automotive field has always been NGK SPARK PLUG’s core competence. Today, its Automotive Components business group has expanded to become the world’s number one global manufacturer of OE and Aftermarket ignition and sensor parts. It is also the largest of the company’s businesses, representing around 82% of global sales.
When it comes to delivering the best in ignition and sensor technology, NGK SPARK PLUG is the undisputed no. 1. Over the last 80 years, the specialist has developed an excellent reputation and is highly credible amongst workshops and in the trade. Today, NGK SPARK PLUG and its wide range of products are trusted by professionals and amateurs all around the world.



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Download NGK SPARK PLUG’s catalogs with information on all products.


NGK SPARK PLUG supports series, teams and drivers on all levels worldwide.

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Spark Plugs

Spark Plugs

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 NGK spark plug finder helps find the right spark plug via the NGK spark plug codes.

Glow Plugs

Glow Plugs

Engineered to perform under the most extreme conditions, NGK glow plugs help your diesel engine get off to a fast and reliable start. Get the most out of your diesel engine while at the same time meeting emission regulations.

Ignition Leads & Caps

Ignition Leads & Caps

NGK SPARK PLUG has an assortment of high-quality ignition leads that offer superior conductivity, a long service life, and high performance – even under extreme conditions.

Ignition Coils

Ignition Coils

NGK ignition coils, like our high-tech spark plugs, are manufactured to achieve or exceed OE specifications for the highest durability and operational performance.

Oxygen Sensors

Oxygen Sensors

As the world’s largest manufacturer of lambda sensors, NGK SPARK PLUG is constantly improving its oxygen/lambda sensor technology to offer sensors dedicated to maintaining a perfect air-fuel ratio.


NTK EGT Sensor

To protect vital components located in the flow of hot exhaust gas from critical overheating, among others, NGK SPARK PLUG offers a full range of EGT Sensors by NTK for individual vehicle applications.



With the addition of MAP and MAF sensors, NTK has expanded its wide range of sensor products, becoming a one-stop shop for engine sensors.

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