This fuel injector rail plug replaces the original part on diesel vehicles. Made from high quality, durable materials, it keeps high pressure oil in the oil rails to power the fuel injectors.
Direct replacement - this fuel injector rail plug replaces the original part on diesel vehicles
Necessary repair - fixes leaking high-pressure oil tubes that cause the engine to run poorly or not at all
Common fix - O-rings require replacement when going into the oil galley for service
Related parts - high pressure oil stand pipe sold separately