Motorcar Parts of America, Inc. is a prominent, publicly traded enterprise specializing in the remanufacturing, manufacturing, and distribution of heavy-duty and light-vehicle automotive replacement components. Its core catalog includes critical mechanical parts such as alternators, starters, wheel hub assemblies, brake master cylinders, brake calipers, and specialized diagnostic testing equipment. The company serves traditional automotive aftermarket retailers, major warehouse distributors, and professional commercial repair fleets across North America and international markets.