Cummins 4972857 Water Pump Assembly

The Cummins 4972857 water pump is a centrifugal coolant pump designed for the M11, ISM11, and QSM11 engine platforms. It features a short shaft configuration and precision-cast aluminum housing with cast iron components to withstand continuous high-temperature operation in heavy-duty applications. The unit integrates a mechanical seal and bearing assembly engineered for extended service intervals under severe duty cycles. This assembly replaces multiple Cummins OEM part numbers including 2882144, 3800737, 4299030, and 4955706 series. It is validated for fitment on Cummins M11 series engines powering hydraulic excavators, wheel loaders, heavy-duty trucks, generator sets, and marine propulsion units. Direct OEM interchange verified for cooling system integrity.