This is a set of two Timken 31590 bearings, made for early USA models. These bearings have never been used, and come with a lifetime warranty. They are perfect for your car or truck's transmission and drivetrain, specifically for differential bearings. The manufacturer part number is 31590 and the Mfr Code is TM. This listing is categorized under eBay Motors, Parts & Accessories, Car & Truck Parts & Accessories, Transmission & Drivetrain, and Differentials, Assemblies & Parts.