Automotive parts are the basic components that make up a car, including all "parts" from a structural perspective and parts produced by independent enterprises from a production perspective and supplied to OEMs. There are narrow and broad definitions for automotive components. Broadly speaking, automotive components include key assemblies such as engine assemblies, transmission assemblies, and certain related parts, as well as cast and forged blanks. According to their end use, they can be divided into body parts, transmission parts, chassis parts, etc; According to market structure, it can be divided into maintenance market parts, general accessories, specialized accessories, and outward oriented components.