Illinois Auto Truck is a manufacturer and distributor of replacement clutches and clutch components serving the automotive clutch aftermarket in the United States and around the world. Founded in 1939, Illinois Auto Truck was the first company in the U.S. to manufacture parts for use in the remanufacturing of heavy duty clutches. The traditional market for these parts include companies that rebuild or remanufacture both clutch covers and/or clutch disc assemblies. Illinois Auto Truck has been manufacturing the disc assemblies used in the heavy-duty vehicles for more than 50 years. All of the materials used in the manufacture of clutches and clutch parts made by Illinois Auto Truck meet or exceed the original equipment design standards for performance and materials. Raw materials which are used in clutches manufactured by Illinois Auto Truck are purchased from the same vendors that supply the materials to the companies that manufacture clutches for the various vehicle makers in the United States. Rigorous quality control standards and performance testing ensures the quality of all the products manufactured by Illinois Auto Truck.