TRANSMISSION IDENTIFICATION ASSEMBLY CODE TO TRANSMISSION CONT D 1989 9FKM MD8 9YXM MD8 9YPM MD8 9YZM MD8 9YUM MD8 9FXM MD8 9YMM MD8 DKA MKG DKB M39 DKC MB1 1990 OFZM MD8 OFBM MD8 OFTM MDB OFUM MD8 DKA MK6 DKB M39 DKC MB1 1991 1FBM MD8 1FTM MD8 1FZM MD8 1FUM MD8 DKA MKG DKB M39 DKC MBI 1992 2FBM MD8 2FTM MD8 2FZM MD8 2FUM MD8 1992 GENERAL MOTORS SERVICE PARTS OPERAT ONS CHEVROLET 17F 4 000 4 8 1 92