TRANSMISSION IDENTIFICATION ASSEMBLY CODE TO TRANSMISSION 1982 AX M19 CJ MD9 PO MD9 AH M19 AY M19 HC MD9 CI MD9 AJ M19 1983 BH MY7 FB M19 PG MD9 SA M19 BJ MY7 HC MD9 P3 MD9 ZBC MK7 CA MD9 1984 DK M19 HC MD9 PE MD9 UB M19 DT M19 HY MD9 PG MD9 UJ Ml9 DY M19 NS MY7 PJ MD9 1985 CA MD9 CB MD9 PE MD9 PJ MD9 1986 GCA MD9 GCC MD9 GPA MD9 ZNJ MG2 GCB MD9 GCM MD9 GPR MD9 1987 I 7PHC MD9 7PKC MD9 7PPC MD9 RRD MG1 Q 5ZD MK7 1988 8PPC MD9 BTRC MD9 8ZR MG1 1989 I QPPC MD9 QTRC MD9 9XMX MG1 1990 OXMX MG1 OPPC MD9 OTHC MD9 1991 ITRC MD9 1LJC MD9 1LKC MD9 1XLX MG2 1992 GENERAL MOTORS SERVICE PARTS OPERAT ONS PONT AC 22J i H182 4J 4000