DZ93189583513 Intake Heater Relay Protection Cover The DZ93189583513 intake heater relay protection cover fits SHACMAN F3000 and X3000 trucks with a Weichai engine. It covers the intake heater relay box on the engine, keeping dust, water and oil away from the relay terminals and the wiring underneath. The cover is a direct replacement for the original part. It clips over the same mounting points, so it goes on without drilling or modification and keeps the relay protected
