Construction Machinery Part Engine Water Pump 276-4755 280-7374 314-5155 2764755 2807374 3145155 for Excavator CAT 365C 374D 385C 390D C15 C18 Optimized for maximum coolant circulation efficiency, this high-flow water pump features a precision-engineered impeller that ensures consistent thermal management across all RPM ranges. Ideal for CAT 365C 374D 385C 390D C15 C18 diesel engines operating under sustained heavy loads in construction and mining applications. Part Name