Glow Plugs are found in diesel engines, they are engine heating components that start warming the engine on ignition. The glow plug contains a heating element that starts to heat when electricity is passed to it on ignition, this heat is then passed to the engines cylinders to start thermally warming them.
NGK has been developing glow plugs for automotive engines since the early 1960s. With a huge and varied glow plug range and NGK's assurance that every product equals or surpasses the quality of the Original Equipment part it's no wonder NGK are considered the Number 1 glow plug choice for many applications. NGK are OE for many vehicle marques and their attention to performance and emissions reduction ensures that NGK continues to be a world leader.