World American is the heavy duty, export division of Midwest Truck & Auto Parts, Inc. Supplying drivetrain, brake, steering and suspension, wheel attaching, rotating electric, clutch and hydraulic components to the heavy-duty aftermarkets. Get superior OEM quality replacement parts, backed by professionals with the experience and knowledge to help get heavy duty vehicles back on the road quickly. World American manufactures manual transmission components, differential components, complete rebuild kits, bearing kits, ring and pinion gear sets, cases, housings, axles, yokes, u-joints, air brake valves, brake chambers, brake hardware kits, air springs and more. World American, Where Quality Meets Value.