STEMCO provides trucking parts, wheel end products like seals, hub caps, Pro-Torq nuts, hubodometers, and bearings, while also servicing trucking maintenance needs.
Welcome to STEMCO STEMCO, located in Longview, Texas, is the performance and value leader in the heavy and medium duty vehicle markets. Our mission at STEMCO is easily stated: To supply the highest quality wheel end components to the heavy and medium duty vehicle markets. Achieving this mission requires the continual efforts of more than 360 dedicated employees.