汽配行業又稱為汽車零部件、汽配零部件，本文統稱汽配，是指機動車輛及其車身的各種零配件的制造。根據《國民經濟行業分類》(GB/T4754-2002)規定：
汽配行業包括：
汽車部件：離合器總成、變速器總成、傳動軸總成、分動器總成、前橋總成、后橋總成、中橋總成、差速器總成、主減速器總成、前后懸掛彈簧總成等；
汽車零件：緩沖器(保險杠)、氣彈簧、制動器、變速箱、車軸、車輪、減震器、散熱器(水箱)、消聲器、排氣管、離合器、方向盤、轉向柱及轉向器等零件。
不包括：
機動車輛照明器具的制造，列入3991(車輛專用照明及電氣信號設備裝置制造)；
汽車用儀器、儀表的制造，列入4122(汽車及其他用計數儀表制造)；
掛車、半掛車零件，列入3724(汽車車身、掛車的制造)。

中譯英：
Auto parts industry, also known as auto parts, auto parts, collectively referred to herein refers to auto parts, motor vehicles and their body in a variety of spare parts manufacturing. According to the" classification of national economic industries"(GB/T4754-2002)regulations:
Auto parts industry including:
Auto parts: clutch assembly, transmission assembly, a transmission shaft assembly, actuator assembly, front axle assembly, rear axle assembly, the bridge assembly, differential assembly, a main reducer assembly, front and rear suspension spring assembly;
Auto parts: buffer(bumper), gas springs, brakes, transmission, axles, wheels, shock absorbers, radiator(tank), muffler, exhaust pipe, clutch, steering wheel, steering column and steering gear and other parts.
Not included:
Motor vehicle lighting equipment manufacturing, included in the 3991(special for vehicle lighting and electrical signal equipment device manufacturing);
Automotive instruments, instrument manufacturing, in4122(the vehicles and other counting meter manufacturing);
Trailers, semi-trailer parts, the inclusion of 3724(car, trailer manufacturing).
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