Verified OEM Replacement: Direct interchange for Kubota part numbers 19883-73030, 15881-73030, and 15881-73033. Manufactured to original equipment dimensions for a guaranteed bolt-on fit without engine modifications.
Engine & Model Specifics: Designed for Kubota 3-cylinder diesel engines (D722, D662, D902). Fits RTV900 series utility vehicles and ZD-Series zero-turn mowers, including ZD21, ZD21F, ZD28, ZD321, and ZD323.
High-Heat Aluminum Housing: Constructed from cast aluminum for efficient thermal transfer and weight reduction. Aluminum naturally resists internal corrosion and scaling, extending the life of your tractor's cooling system.
Sealed Bearing & Impeller: Equipped with a factory-sealed heavy-duty bearing to handle high RPMs and belt tension. The internal impeller is balanced to ensure consistent coolant flow during long operating hours in demanding environments.
Installation Ready: Each unit ships with a precision-cut mounting gasket. Using the included new gasket is required to ensure a leak-proof seal between the pump housing and the engine block.