GM PRODUCTION OPTIONS RPO FY LY DIVISIONAL RPO DESCRIPTION SPOGM RPO DESCRIPTION MB4 82 87 TRANSMISSION 5 SPD MAN BORG WARNER W M T MB4 MB6 82 84 TRANSMISSION 5 SPD MAN BORG WARNER W M T MB6 MCO 88 B8 TRANSMISSION 4 SPD MAN GETRAG W M T MCO MC1 76 83 TRANSMISSION H D 3 SPD MAN TREMAC W M T MC1 MC4 76 B1 TRANSMISSION SPORT SHIFT W SPORT SHIFT MC4 MC4 86 87 TRANSMISSION 5 SPD MAN BORG WARNER W M T MC4 MC5 85 85 TRANSMISSION 5 SPD MAN W M T MC5 MC9 85 87 TRANSMISSION 4 SPD MAN BORG WARNER W M T MC9 MD2 76 89 TRANSMISSION 3 SPD AUTO THM180C W A T MD2 MD3 76 81 TRANSMISSION 3 SPD AUTO THM180 W A T MD3 MD5 86 B6 TRANSMISSION 5 SPD MAN MUNCIE W M T MD5 MD8 76 89 TRANSMISSION 4 SPD AUTO THM7OOR4 W A T MD8 MD9 76 89 TRANSMISSION 3 SPD AUTO THM125C W A T MD9 ME2 85 85 TRANSMISSION 5 SPD MAN W M T ME2 ME9 82 89 TRANSMISSION 4 SPD AUTO THM440 T4 W A T ME9 MF2 87 87 TRANSMISSION 4 SPD MAN BORG WARNER W M T MF2 MF4 84 86 TRANSFER CASE NP 205 1 96 LOW RANGE W MF4 MG1 87 89 TRANSMISSION 5 SPD MAN MUNCIE W M T MG1 MG2 86 89 TRANSMISSION 5 SPD MAN MUNCIE W M T MG2 MG3 86 86 TRANSMISSION 5 SPD MAN W M T MG3 MG5 88 89 TRANSMISSION 5 SPD MAN GETRAG W M T MG5 MH2 86 86 TRANSMISSION 5 SPD MAN W M T MH2 MH3 85 88 TRANSMISSION 5 SPD MAN BORG WARNER W M T MH3 MH5 85 87 TRANSMISSION 4 SPD MAN DOUG NASH W M T MH5 MK2 82 87 TRANSMISSION 4 SPD MAN DOUG NASH W M T MK2 MK4 82 84 TRANSMISSION 5 SPD MAN BORG WARNER W M T MK4 MK5 82 85 TRANSMISSION 5 SPD MAN BORG WARNER W M T MK5 MK6 82 85 TRANSMISSION 5 SPD MAN BORG WARNER W M T MK6 MK7 82 89 TRANSMISSION 5 SPD MAN ISUZU W M T MK7 ML2 85 88 TRANSMISSION 5 SPD MAN BORG WARNER W M T ML2 ML3 84 89 TRANSMISSION 5 SPD MAN BORG WARNER W M T ML3 ML8 84 85 TRANSMISSION 5 SPD MAN BORG WARNER W M T ML8 MM3 82 87 MERCHANDISING OPTION ONLY DO NOT CATALOG MM4 82 88 MERCHANDISING OPTION ONLY DO NOT CATALOG MM5 82 89 MERCHANDISING OPTION ONLY DO NOT CATALOG MM7 82 88 MERCHANDISING OPTION ONLY DO NOT CATALOG MR2 85 86 TRANSMISSION 4 SPD MAN MUNCIE W M T MR2 MR3 84 88 TRANSMISSION 5 SPD MAN ISUZU W M T MR3 MR8 85 85 TRANSMISSION 5 SPD MAN W M T MR8 MT2 85 89 TRANSMISSION 5 SPD MAN ISUZU W M T MT2 MV2 85 85 TRANSMISSION 5 SPD MAN W M T MV2 MV4 76 86 TRANSMISSION 3 SPD AUTO THM35OC W A T MV4 MV9 76 88 TRANSMIS5ION 3 SPD AUTO THM2OOC W A T MV9 MW9 76 89 TRANSMISSION 4 SPD AUTO THM200 4R W A T MW9 MXO 82 89 MERCHANDISING OPTION ONLY DO NOT CATALOG MX1 82 89 MERCHANDISING OPTION ONLY DO NOT CATALOG MX2 76 84 TRANSMISSION 3 SPD AUTO THM35OC W A T MX2 Y MX3 76 81 TRANSMISSION 3 SPD AUTO THM35OC W A T MX3 MX5 82 83 TRANSMISSION 3 SPD AUTO THM35OC W A T MX5 MX6 85 86 TRANSMISSION 4 SPD MAN MUNCIE W M T MX6 MY1 76 87 TRANSMISSION 4 SPD MAN MUNCIE V W M T MY1 MY6 76 89 TRANSMISSION 4 SPD MAN NEW PROCESS W M T MY6 MY7 76 86 TRANSMISSION 5 SPD MAN ISUZU W M T MY7 MY8 76 86 TRANSMISSION 4 SPD MAN MUNCIE W M T MY8 MO8 82 84 TRANSMISSION 4 SPD MAN BORG WARNER W M T MO8 M11 76 81 SHIFT FLOOR W FLR SHIFT M11 M15 76 81 TRANSMISSION 3 SPD MAN W M T M15 M16 76 81 TRANSMISSION 3 SPD MAN W M T M16 M17 76 87 TRANSMISSION 4 SPD MAN MUNCIE W M T M17 4 M18 76 83 TRANSMISSION 4 SPD MAN BORG WARNER W M T M1B L M19 76 88 TRANSMISSION 4 SPD MAN MUNCIE W M T M19 M20 76 89 TRANSMISSION 4 SPD MAN MUNCIE W M T M20 M21 76 81 TRANSMISSION 4 SPD MAN W M T M21 M21 88 88 TRANSMISSION 4 SPD MAN W M T M21 M24 76 83 TRANSMISSION 4 SPD MAN BORG WARNER W M T M24 M26 76 85 TRANSMISSION 4 SPD MAN MUNCIE W M T M26 M27 76 81 TRANSMISSION 4 SPD MAN W M T M27 M29 76 81 TRANSMISSION 3 SPD AUTO THM200 W A T M29 M31 76 85 TRANSMISSION 3 SPD AUTO THM25OC W A T M31 1 M32 76 81 TRANSMISSION 3 SPD AUTO THM325 W A T M32 M33 76 81 TRANSMISSION 3 SPD AUTO THM350 W A T M33 M34 76 83 TRANSMI5SION 3 SPD AUTO THM125 W A T M34 M38 76 81 TRANSMISSION 3 5PD AUTO THM350 W A T M38 T t 1988 GENERAL MOTORS SERVICE PARTS OPERATIONS LT TRUCK 52R RPO 16 REV 1 88