Motorcar Parts of America, Inc. supplies non-discretionary automotive aftermarket replacement parts, test solutions, and diagnostic equipment in the United States. It operates through three segments: Hard Parts, Test Solutions and Diagnostic Equipment, and Heavy Duty. The company offers light-duty rotating electrical products, wheel hub assemblies and bearings, brake-related products, test solutions and diagnostic equipment for combustion engine and electric vehicles, and heavy-duty parts for truck, industrial, marine, and agricultural applications. It sells to automotive retail chains, warehouse distributors, and automobile manufacturers in North America under brands such as Private Label, Quality-Built, Pure Energy, D&V Electronics, Dixie Electric, and DelStar. Formerly known as Motorcar Parts & Accessories Inc, it changed its name to Motorcar Parts of America, Inc. in January 2004, was incorporated in 1968, and is headquartered in Torrance, California.