CARQUEST Corporation (Carquest) supplies replacement auto parts. It supplies replacement products, accessories, supplies and equipment for automobiles, including buses, light and heavy-duty trucks, off-road equipment, recreational vehicles and agricultural equipment. The product portfolio of the company comprises brake systems, drivetrain systems, engine system, engine performance and emissions control systems, electrical and vision systems, steering and suspension systems, temperature control and cooling systems, and fleet and heavy-duty, among others . The company principally operates in the US and Canada through its distribution centers. Carquest operates over 2,500 stores serving the commercial markets and the professional technicians. It is a part of Advance Auto Parts, Inc. Carquest is headquartered in Raleigh, North Carolina, US.