A8VO200 CAT E330C Excavator Main Hydraulic Piston Pump The A8VO200 main hydraulic piston pump is designed for the CAT E330C excavator. It is compatible with OEM part numbers 216-0038, 250-2564, 311-9541, and 10R-1551. This pump assembly includes the pump body, regulator, and servo valve components. Procurement Guidelines Verify OEM part number to confirm the main hydraulic piston pump assembly fits, including the pump body, regulator, and servo valve components. New or