The product is a NOS OEM GM 6472020 fuel pump 42138 designed for use in various GM vehicles from the 80s to 90s such as Pontiac, Buick, Oldsmobile, and Chevrolet. This fuel pump is a genuine OE/OEM part manufactured by GM, ensuring quality and compatibility with the specified vehicles. It comes with the interchange part number 6442138 and is a reliable replacement for those in need of a fuel pump for their classic GM vehicle.