Motorcraft OEM Lower Engine Water Pump is a replacement part for Ford F-250 and F-350 Super Duty 6.7L V8 engines. The water pump is designed to circulate coolant through the engine to maintain optimal operating temperature. The product is an original equipment manufacturer (OEM) part manufactured by Motorcraft. The part number is PW-571 and interchange part numbers are HC3Z-8501-A and HC3Z8501A.