Frontier Truck Parts is a proud member of the Weller Auto Parts family of companies. The Weller Auto Parts group has been providing quality, value, and service for over ninety years. We stock thousands of medium duty truck parts and heavy duty truck parts. Whether you are looking for truck cabs, heavy duty transmissions, heavy duty differentials, engines, brakes, axles, wheel ends, ECMs or hoods, we are your source for new, used, and rebuilt truck parts. We can also build your custom driveshaft or repair your current one. In addition to parts, Frontier Truck Parts maintains a large inventory of medium and heavy-duty repairable vehicles, including heavy equipment, heavy trucks, and semi-trailers.