The product is a genuine OEM engine cover designed for Chevrolet and GMC 2500 and 3500 trucks with a 6.5 turbo diesel engine, specifically for model years 1996-1999. Manufactured by GM, this unit is guaranteed to fit the specified vehicles and provide protection for the engine while also offering a sleek and authentic look. The product comes as a single unit with the manufacturer part number 12554193, ensuring compatibility and quality for your vehicle.