Construction Machinery Part Engine Water Pump 276-4755 280-7374 314-5155 2764755 2807374 3145155 for Excavator CAT 365C 374D 385C 390D C15 C18 Engineered for the most demanding construction environments, this heavy-duty water pump delivers exceptional durability with premium-grade bearings and reinforced aluminum alloy housing. Designed specifically for CAT 365C 374D 385C 390D C15 C18 excavators, it withstands continuous high-load operation in the toughest job site conditions