Dorman Products, Inc. supplies replacement and upgrade parts for the motor vehicle aftermarket industry in the United States and internationally. It operates through segments Light Duty, Heavy Duty, and Specialty Vehicle segments. The company offers engine products, including intake and exhaust manifolds, oil filters and coolers, fans, thermostat housings, and throttle bodies; undercar products, such as fluid lines, fluid reservoirs, connectors, 4-wheel drive components and axles, drain plugs, other engine, transmission, and axle components; steering and suspension products comprising control arms, ball joints, tie-rod ends, brake hardware and hydraulics, wheel and axle hardware, suspension arms, knuckles, links, bushings, and leaf springs, as well as other suspension, steering, and brake components; body products, including door handles and hinges, window lift motors, window regulators, switches and handles, wiper components, lighting, electrical, and other interior and exterior vehicle body components, including windshields for UTVs; electronics products, such as new and remanufactured modules, clusters and sensors; and hardware products consisting of threaded bolts and auto body fasteners, automotive and home electrical wiring components, and other hardware assortments and merchandise. It also provides OE FIX solutions, including exhaust manifolds, metal heater hose connectors, and aluminum oil filter housings; and intake manifolds, exhaust manifolds, oil filters and coolers, exhaust gas recirculation coolers, driveshafts, UTV windshields, and complex electronics modules. The company markets its products under the DORMAN, DORMAN OE FIX, HELP!, Conduct-Tite, Dayton Parts, SuperATV, Keller Performance Products, Assault Industries, Gboost, and GDP brands through aftermarket retailers, dealers, and national, regional, and local wholesale distributors and specialty markets. Dorman Products, Inc. was founded in 1918 and is headquartered in Colmar, Pennsylvania.