The product is a genuine OEM liftgate ECU designed for specific Chevrolet models from 2016 to 2022, including the Equinox, Acadia, Terrain, Yukon, and Tahoe. It is a direct replacement part that may require programming by a dealer. The product is a GM-branded item with a part number of 84233603 and can be interchanged with another part number 591-08330.. Selling as is