TRANSMISSION IDENTIFICATION I Continued Note Transmission Identification can be located in one of three positions on the transmission v A J A Identification label on side of case B Stamping I 1Umb l OR QOV f 1OI COV6I C Ink stamped on bell housing A 19891 TRANSMISSION TO ASSEMBLY CODES M40 3 SPD A T V MD8 4 SPD A T y M20 4 SPD MAN THM4OO HYDRAMATIC THM70OR4 HYDRAMATIC HYDRAMATIC A 9DNA 9FAA 9FBA 9FCA 9FAM QFMM 9MAM 9MCM AGBM GGJ YFY YHY 9FDA 9FFA 9FJA 9FMA 9MDM 9MFM 9MHM 9MKM YJY 9CMY 9KNY 9FNA 9FPA 9FQA 9FRA 9MLM 9MPM 9MRM 9MWM 9FSA 9FTA 9FUA 9FWA QMXM 9MZM 9PAM 9PBM V 9FXA 9FYA 9FZA 9HAA 9PCM 9PRM QTHM QTJM ML3 V5 SPD MAN 9HJA 9LBA 9LDA 9LFA 9TKM 9TLM 9TNM 9TUM BORG WARNER 9LHA QLJA 9LKA 9LLA 9TXM I 9LMA 9LRA 9LSA 9LTA GBZ 9LUA 9LWA 9LXA QLZA 9TAA 9TBA 9TCA 9TDA ML2 5 SPD MAN 9TFA 9TKA 9TLA 9TMA BORG WARNER MG5 5 SPD MAN 9TNA 9TPA 9TUA 9TYA HYDRAMATIC GBY GCM CCU KDU A MH3 5 SPD MAN 1 BORG WARNER MY6 4 SPD MAN NEW PROCESS J MWI 5 SPD MAN GCL A BORG WARNER V GCB GCD GCN MPW 4 SPD MAN V BORG WARNER GCU I A 1990 TRANSMISSION TO ASSEMBLY CODES 4 p M40 3 SPD A T MD8 4 SPD A T M20 4 SPD MAN THM400 HYDRAMATIC THMYOOR4 HYDRAMATIC HYDRAMATIC ODMA ODPA OFAA OFBA OCAM OCBM OCCM OCFM A YFY YHY YJY YPY OFCA OFHA OFJA OFKA OCHM OCJM OKAM OKBM OCMY OKNY OMJY OFMA OFNA OFPA OFWA OKCM OLAM OLBM OLCM OHAA OHCA OHFA OHHA 0LDM OLFM OMBM OMJM j OHKA OLBA OLDA OLFA OMNM OMSM ORAM OSAM ML3 5 SPD MAN I OLHA OLJA OLMA OLRA OSHM 0TLM OWAM OWBM BORG WARNER OLWA OLXA OLYA OMKA OWCM OMLA OMNA OMPA OMRA GBZ A OMSA OMTA OMWA OMXA OMYA OMZA OSAA OSBA MY2 5 SPD MAN OSDA OSFA OSHA OSJA HYDRAMATIC MG5 5 SPD MAN OSKA OTAA OTBA OTDA HYDRAMATIC OTFA OTKA OTMA OTNA OUHU OUKU OTRA OCCU OKDU MPW 4 SPD MAN MWI 5 SPD MAN A BORG WARNER BORG WARNER GCU GCN FORMERLY GETRAG H A 1991 GENERAL MOTORS SERVICE PARTSOPERATIONS LTTRUCK 52M 4 000 M V4 8 V 1 91