The product is a remanufactured water pump designed to fit 1982-1985 Cadillac 252-8 4.1L RWD vehicles. It is a vintage part with the OE/OEM part number 1618920 and manufacturer part number 1621. The water pump is an essential component for engine cooling and maintenance, ensuring proper functionality and longevity of the vehicle's engine. With free shipping included, this product offers convenience and peace of mind for Cadillac owners looking to replace their water pump.