Dorman Products, Inc. is a leading supplier of replacement and upgrade parts for the automotive aftermarket industry worldwide. Founded in 1918 and headquartered in Colmar, Pennsylvania, the company provides an extensive range of powertrain and chassis products, motor vehicle body products, and hardware products under various brands such as Dorman, Dayton Parts, and SuperATV. These include intake and exhaust manifolds, cooling products, suspension and brake components, window regulators, windshield wiper assemblies, and complex electronics modules, among others. Dorman sells its products through various distribution channels including retail stores, website and customers' websites, and dealers and warehouse distributors.