MJO4 037 RPO DEFINITIONS MG1 TRANSMISSION M ANUAL 5 SPEED MUNCIE I MK7 TRANSM SSION MANUAL 5 SPEED ISUZU A x I 1992 GENERAL MOTORS SERVICE PARTS OPERATIONS PONTIAC 22 1 1 1 92 4 4 1 4 000 GROUP r 7 nr 7 n r 1t X