Daewoo 65.06500-61421 65.06500-6357 Suitable for DE12 Doosan Excavator diesel Engine Construction Machinery Spare Parts 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 Doosan DE12 excavator diesel engines, it withstands continuous high-load operation in extreme job site conditions. Part Name Water Pump Engine No.