Dorman Products, Inc. supplies automotive replacement parts, automotive hardware, brake products, and household hardware to the automotive aftermarket and mass merchandise markets. The company offers approximately 140,000 products comprising original equipment dealer parts, which include intake manifolds, exhaust manifolds, oil cooler lines, window regulators, harmonic balancers, and radiator fan assemblies; and replacement parts, such as window handles, switches, door hardware, interior trim parts, headlamp aiming screws and retainer rings, radiator parts, battery hold-down bolts and repair kits, valve train parts, power steering filler caps, mass air flow sensors, belt tensioners, and idler pulleys. It also provides application specific and general automotive hardware comprising body hardware, general automotive fasteners, oil drain plugs, and wheel hardware; and various electrical connectors, wires, tools, testers, and accessories. In addition, the company offers brake and clutch program; and heavy duty aftermarket parts for class 4-8 heavy vehicles, including coolant tubes, door handles and other body parts, fluid reservoirs, headlights and lighting, hood components, window regulators, and wiper transmissions. Dorman Products, Inc. markets its products under the OE Solutions, HELP!, TECHoice, AutoGrade, Conduct-Tite, FirstStop, and HD Solutions brand names through automotive aftermarket retailers, specialty markets and salvage yards, and national, regional, and local warehouse distributors primarily in the United States, Europe, Mexico, the Middle East, Asia, and Canada. The company was founded in 1978 and is headquartered in Colmar, Pennsylvania.