TRANSMISSION IDENTIFICATION CONT D TRANSMISSION TO ASSEMBLY CODES Note Transmission identification can be located in one of three positions on the transmission A Identification plate on side of case B Stamping number on governor cover C Ink stamped on bell housing 1989 MW9 4 SPD A T W OVERDRIVE THM2004R 9KJF 9KTF 1990 MW9 4 SPD A T W OVERDRIVE THM2004R OKJF OKTF 1 1991 GENERAL MOTORS SERVICE PARTS OPERATlONS BUlCK 44W 4 000 4 8 6 91