This popular truck engine water pump fits part numbers 1609871, 0683225, 0683586, 683225 and 1262683. It serves as a vital cooling part to circulate engine coolant in an efficient manner. It maintains ideal engine operating temperature and prevents overheating during heavy load operation. Made of premium cast alloy and fine internal machining, it delivers superb sealing ability and long endurance. It strictly follows OEM criteria, fits into place effortlessly, and works perfectly to substitute broken or worn water pumps.