TRANSMISSION IDIENITIIFICATION TRANSMISSION TO ASJSBEMIBLY CODES N0tc 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 1982 MD9 3 SPD A T M34 3 SPD A T MV9 3 SPD A T THMl25C THM125 THMZOOC BF CE HW PK CV PZ CB CW HF OR BL HM HX PL CK CZ HH PS CD CI CT PO CN CY HL CX CJ HC CS PI CO CL HS HY CU CM MW9 4 SPD A T W OVRDRIVE M31 3 SPD A T M57 4 SPD A T THM2004R THM25O THM3254L AA CR CQ OG WK XH XK XP AJ AB OE AG BY AH HG OM XC XJ XL XS AL BE OK BJ XD AM MV4 3 SPD A T MX2 3 SPD A T MX5 3 SPD A T THMBSOC THM35OC THM3SOC T3 VE VS WE KA KE LA LO KL T7 VH TB WH KC KK LB LD TS VJ T4 WJ TX VL WA WP V4 VN WC WT VC VP WD WX VD MD2 3 SPD A T MD8 4 SPD A T THM1BOC THMYOOR4 MY8 4 SPD MAN VO T5 T6 TH TN RA YK TW TJ TP YL TC TK YA YD TE M17 4 SPD MAN M19 4 SPD MAN MY1 4 SPD MAN BD AH AJ RD RB RC M26 4 SPD MAN MB4 5 SPD MAN M18 4 SPD MAN RA CR SA M24 4 SPD MAN UA t i 1991 GENERAL MOTORS SERVICE PARTSOPEERATIONS BU CK 44W tT 6 91 4 5 4 000