1983 ENGINE IDENTIFICATION ILT TRUCK ASSEMBLY CODES 4 1L 250 6 CYLINDER LE3 4 BL 292 6 CYLINDER L25 540L 305 8 CYLINDER LF3 VIN D VIN T VIN F UAB UAZ UPU FTF UTB UDA UAD UPA UPW FTH UTC UDB UAT UPB UPX UTA UTD UDU UAK UFC UPY UAL UPD UPZ UAM UPF UUN UAN UPH UUR UAH UPJ UUS UAS UPK UUT UAT UPM UUU UAU UPN UUW UAW UPR UUX UAX UPS USA UAY UFT 5 0L 305 8 CYLINDER LES 5 7L 350 8 CYLINDER LS9 5 7L 350 8 CYLINDER LT9 VIN H VIN L VIN M UCA UCR UDK UFD URH UUB USA USK USW UCB UCT UDM URA URJ UUC USB USM USX UCC UCU UDN URB URK UUD USC USN USY UCD UCW UDR URC URM UUF USD USR USZ UCF UCX UDS URD URN UUH USF USS U4N UCH UDC UDT URF URA UUJ USH UST U4R UCJ UDD UDU USJ USU U4S UCK UDF UCM UDH UCN UDJ 5 7L 350 B CYLINDER LF5 6 ZL 381 8 CYLINDER LL4 6 2L 381 BCYLINDER LH6 VIN P VIN I UFA AHA UJM UJZ UBN UFS UHR UFE AHB UJN UTT UBR UHA UHS UFC UJA UJR UTW UBS UHB UHT UJB UJU UBT UHC UHU UJK UJV UBU UHD UHW UEV UHF UHX UFJ UHH UHY UFK UHJ UFN UHN 7 4L 454 8 CYLINDER LE8 VIN W UBA UBD UBB UBF UBC UBH ENERAL MOTORS SERVICE PARTS 0PERATIOIIS LT TRUCK 52A 34