Chevrolet Engine Block Casting Numbers

Chevrolet Engine Block Numbers
 

All engines are stamped with an engine ID code, consisting of assembly plant code, production date, and suffix code.

Casting NumberCIDMain Bolts
3308174002-Bolt
3462364542-Bolt
3559092622-Bolt
37035242652-Bolt
37209912652-Bolt
37315482832-Bolt
37377392832-Bolt
37518723482-Bolt
37550113482-Bolt
37565192832-Bolt
37717053482-Bolt
37828703272-Bolt
37880684092-Bolt
37899352832-Bolt
3790721283 or 3272-Bolt
37913623272-Bolt
37942262832-Bolt
37956234092-Bolt
37989623482-Bolt
3830814409 or 4272-Bolt
38348102832-Bolt
38348122832-Bolt
38444224092-Bolt
38498522832-Bolt
38559613962-Bolt
38559623964-Bolt
38576564092-Bolt
38581743272-Bolt
38581803272-Bolt
38621942832-Bolt
38699424272-Bolt or 4-Bolt
3892657302 or 327 or 3502-Bolt
38969442832-Bolt
39024063962-Bolt or 4-Bolt
39033523272-Bolt
39043514272-Bolt or 4-Bolt
39146363072-Bolt
39146603272-Bolt
3914678302 or 327 or 3502-Bolt
39163214272-Bolt or 4-Bolt
39163233962-Bolt or 4-Bolt
3932386302 or 3504-Bolt
3932388302 or 3504-Bolt
39354394272-Bolt or 4-Bolt
39354403962-Bolt or 4-Bolt
39460524274-Bolt
39515094002-Bolt or 4-Bolt
39515114004-Bolt
39552704272-Bolt or 4-Bolt
39552723962-Bolt or 4-Bolt
3956618302 or 327 or 3502-Bolt or 4-Bolt
39566323072-Bolt
3963512427 or 4542-Bolt or 4-Bolt
3969854396 or 4022-Bolt or 4-Bolt
39700103502-Bolt or 4-Bolt
39700143502-Bolt or 4-Bolt
39700203072-Bolt
39700243072-Bolt
39992894542-Bolt
39992904022-Bolt