Bosch Glow Plugs

Tips for testing

It is very important to only use the recommended glow plug applications listed in the Bosch catalogue, as using the incorrect plug can result in the failure of the heating element.
Ensure that the timer, relay or controller is operating correctly and don't forget to test the vehicle battery condition and capacity.
The function of the glow plug is directly affected by low voltage during cranking.

Popular applications include:
Mazda B Series Bravo 2.5L 4cyl ‘96-'06 GPM-513
4 Runner LN130 3L 4cyl ‘89-'96 GPT-223
Popular Landcruiser models GPT-220
Popular Landcruiser models GPT-214