Kubota 1E051-73030 Water Pump Assembly

The Kubota 1E051-73030 is a centrifugal water pump assembly designed for Kubota Super Mini series and 03-M series diesel engines. It features a gear-driven steel impeller with a 14.1 mm diameter housed in a cast iron body. The unit integrates the pump housing, bearing, seal, and impeller. It serves as a direct replacement for OEM part numbers 1E051-73036, 1E496-73030, 19883-73030, and 15881-73033. The assembly includes a mounting gasket for installation. It regulates engine jacket water temperature by maintaining consistent coolant flow through the radiator and engine block.