Modern automobile engine body group is mainly composed of body, cylinder head, cylinder head cover, cylinder liner, main bearing cover and oil pan. Grup awak mangrupikeun dukungan mesin, sareng éta mangrupikeun dasar mempercuka sareng panyebutan rod, Extuisme sareng Bagian utama sistem mesin. Cha silinder dihandap pikeun nyégél luhur silindik sareng sareng, babarengan sareng témbok top sareng témbok cern, sirah silinder hancer sareng ngabentuk silinder. Sirah silinder matak sareng jaket cai, liang etlet cai, liang outlet cai, Sparklar liang cumpulan, liang Bit, ngagurur diamtor, jsb.