World American is the Heavy Duty and Export Division of Midwest Truck & Auto Parts, Inc. We deliver drivetstrand, brake, steering, electrical and hydraulic components to the heavy aftermarket. In particular, we distribute manual transmission and transfer case components, differential components, complete rebuild kits, bearing kits, ring and pinion gear kits, cases, axles, U-joints, air brake valves, brake chambers, brake hardware kits, air springs and more.