Sinotruk 1003374130 Water Pump Head

The 1003374130 water pump head is a critical component of the engine cooling circulation system designed for Weichai WD615 series diesel engines installed in Sinotruk Howo heavy duty trucks. This component houses the impeller and bearing assembly, facilitating coolant flow through the engine block and radiator to maintain optimal operating temperature. Manufactured to OEM specifications for direct fitment on Sinotruk Howo 371, Howo 336, and 6x4 mixer truck configurations. The housing is typically constructed from high-strength cast iron to withstand thermal cycling and coolant pressure in heavy-duty commercial vehicle applications. This part replaces the original equipment pump head without modification.