C412 1981 CHEVROLET ENGINE IDENTIFICATION ASSEMBLY CODES 1 6L CID L17 OPT 2 8L 173 LH7 VIN 9 vm 2 DCA DCF DCX DJD DJF DCB DCY DCU DBU DEX DCC DCZ DCH DCD DCW DCJ 2 SL 173 LE2 I I 318L 329 LC3 VIN X VIN K DBA DBM DJA DAA DAD DAK DBB DEN DJB DAB DAH D7A DBC DBR DJC DAC DAJ D7B DBD DES 151 CID LW9 I 231 3 LC8 I vm 5 vm 3 AL AO CL NE no AM CH NR RR AW CK V 4 4L 267 L39 231 A CID LD5 VIN J VIN A DFA DFH DBF NA NL RK DFC DSA DBH NB LZ RL DFD DEC DFK NC RA RC DFF DBD ND HB RD 4 3L LS5 4 9L LU8 VIN S VIN T I AU AZ BO CJ AW BA DB DH DC DJ 5 0L 305 LG4 5 7L 350 LM1 VIN H VIN L DHA DHF DHZ DSC DMA DEA DHB DHH DKB DBD DMC D5B DHC DHJ DSA DHU DMD DMB DHD DHK DSB DKF DKH 350 CID LF9 VIN N VKB VKU VLL VMT VND BKC VKV VLN VMX VNE VKH VIA VLP VMY VKJ VLC VL8 VNA VKN VLD VLY VNB VKR VLK VMJ VNC GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 10 I