Founded in 1862, Frontier Used Truck Parts offers a range of pre-owned parts for medium- and heavy-duty trucks. The company provides crankshafts, axle housings, battery boxes, camshafts and cylinder heads. It also offers a variety of engine parts for trucks manufactured by Mack, Western Star, International, Freightliner, Peterbilt, Ford and Kenworth. Frontier Used Truck Parts product list additionally includes steering columns, thermostat housings, wiring harnesses, engine pulleys and fan clutches. The company provides several jake brakes for trucks from Cummins, Detroit and Cat. It offers fuel tanks in various types of models and sizes. The company additionally provides mirrors, radiators, seats and oil pans.