
Motorcar Parts of America, Inc. operates as a supplier of automotive aftermarket non-discretionary replacement parts and 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, including alternators and starters; wheel hub assemblies and bearings; and brake-related products comprising brake calipers, brake boosters, brake rotors, brake pads, and brake master cylinders.