TRANSMISSION IDENTIFICATION CONT D INCLUDING AXLE RATIO TRANSMISSION TO ASSEMBLY CODES Note Transm1ssion identification can be located in one of three positions on the 1 transmission A Identification plate on side of case B Stamping number on governor cover C Ink stamped on bell housing 1983 MD2 3 SPD A T MD9 3 SPD A T MV9 3 SPD A T THMIBOC THMl25C THM2OOC TN CE CT HD HU OR JY CL PW M31 3 SPD A T MV4 3 SPD A T MW9 4 SPD A T THM25OC THM35OC THM2004R W OVRDRIVE XK XP WK XH WS OM OZ XD MX2 3 SPD A T MD8 4 SPD A T MV1 4 SPD MAN THM35OC THMTOOR4 KA LB WD LD YN YK Y3 Y4 RB RC KC WH WE LJ M17 4 SPD MAN M19 4 SPD MAN MB4 5 SPD MAN BD SF RD BF SB SD CR FB M75 5 SPD MAN MY8 4 SPD MAN 1984 MY8 4 SPD MAN MD8 4 SPD A T MV9 3 SPD A T THM7OOR4 THM2OOC NA UD UR Y9 YN Y6 TS OU OI JY BH YK M31 3 SPD A T MD9 3 SPD A T MW9 4 SPD A T THM25OC THMl25C THM2004R XK XH WK XD CE CT PD PW CH CQ CR HG XP XE HV HS j j 1991 GENERAL MOTORS SERVICE PARTS OPERATIONS CHEVROLET 17W 4 000 4 6 6 9 1