Our products with good balance between tradition and progress promote motorization.

Circumstances surrounding motorization require not only automobile convenience, comfort and functions, but also resource preservation and environmental protection. In other words, development efforts from multi-angle are strongly in demand. Responding to such demands, NGK SPARK PLUG CO., LTD. has been developing spark plugs, exhaust gas oxygen sensors, knock sensors and many other automobile parts in wide varieties. Based on our rich experience and high technologies, fully aware of global environmental needs, we will continue to do our best in research and development.

Plugs, related products

• Spark plug for two-wheel and four-wheel vehicles
• Spark plug for marine engine,farming- and forestry-related,industrial equipment
• Glow plug for diesel engines
• Igniter plug for rocket
• Igniter plug for aircraft
• Spark plug resister cable
• Spark plug resister cover
• Ignition coil

Sensors

• Exhaust gas oxygen sensor
• Universal A/F heated exhaust gas oxygen sensor
• Exhaust gas temperature sensor
• Knock sensor
• Air quality sensor

System

• QGS/QHS
• Misfiring detection system