Dorman Products, Inc. is a supplier of replacement parts and fasteners for passenger cars, light trucks and heavy trucks in the automotive aftermarket. The Company distributes and markets approximately 150,000 stock keeping units (SKU�s) of automotive replacement parts many of which it designs and engineers. These SKU�s are sold under the Company�s various brand names, under its customers� private label brands or in bulk. Original equipment dealer exclusive parts are those parts which were available to consumers only from original equipment manufacturers or salvage yards. These parts include, among other parts, intake manifolds, exhaust manifolds, window regulators, radiator fan assemblies, tire pressure monitor sensors, complex electronics devices and exhaust gas recirculation (EGR) coolers.