Description
Overview of Beru BorgWarner GH408 glow plug, parking heater
The Beru GH408 replacement glow plug is an essential component for parking heaters, mainly used to pre – heat the engine in cold weather, facilitating the starting of the diesel engine.

Beru GH408 replacement glow plug parking heater
Basic parameters
GH408 has a voltage of 12V, a connector type of M4/2 NM, and a thread size of M14×1.25. The overall length is 63 mm, the fitting depth is 43 mm, and the tightening torque is 15 Nm. The current strength is 20 A, and the spanner size for the cone pitch is 19 mm. It adopts a fibre – composite gasket design.
Function
In cold weather, when the diesel engine is cooled, the GH408 glow plug provides heat energy to improve the starting performance, and it is required to have the characteristics of rapid heating and long – term high – temperature maintenance. For parking heaters, it can ensure the normal operation of the heater, providing a more comfortable driving experience for vehicle owners.
Compatibility
It has some equivalent OEM part numbers, such as VAG 701 963 319, which can be used for some specific models of vehicles, but it is necessary to check the vehicle’s maintenance manual or consult a professional to confirm its compatibility before replacement.
Replacement method
First, remove the outer shell of the parking heater, and you can usually see the GB408 glow plug at the bottom. Use a wrench to remove the old glow plug, and then install the new Beru GH408 glow plug, ensuring that it is firmly installed and in the correct position.