This is a high-quality NOS Timken rear wheel bearing that fits General Motors vehicles with 8.5" ring gear. The interchange part number is 7451895 and the OE/OEM part number is 9428059. This wheel bearing is a vintage part, manufactured in the United States. It is compatible with Buick, Chevrolet, Oldsmobile, and Pontiac vehicles with a B-O Type Axle, and can be placed on the left or right of the vehicle.