Individual AG PARTS glow plug, also known as a preheating plug. It is a component of the diesel engine preheating system and helps with starting, particularly when the engine is cold. The application information covers Discovery, Range Rover and Range Rover Sport vehicles. For the Discovery 3, the listed application is for the 4.4 V8 diesel engine. The part is also catalogued for applications with 3.0L and 4.4L diesel engines. This is one individual glow plug, not a complete set. Before ordering, check that the vehicle application matches the compatibility information provided for this part.

Compatible with Land Rover Discovery 3, Discovery 4, Range Rover L322 (2002–2012), Range Rover Sport L320 (2005–2013) and Range Rover Sport L494 (2014–2022).