cummins engine parts 1,Winter use 2,Reduce vehicle exhaust pollution 3,Preheat antifreeze 4,Reduce vehicle wear and tear cummins parts. Product ... DescriptionUsually cold starting one time is equal to a 200-300 km drive in engine wear, ... force the coolant to circulate through the preheater and the engine, the preaheater heats the coolant continuously, and the circulating ...