f GM4 76 1980 81 X THM125 A T INTERNAL POWER TRAIN COMPONENTS M34 1 4 131 BEARING Dr Spkt Also Part 49 4 159 GEAR Reaction Sun 8631845 of 2 8631190 50 4 164 RING Snap Hsg Case 8631078 2 4 131 SUPPORT Dr Spkt Incl 1 8631954 51 4 180 BUSHING Lo Rev Clu Hsg 3 4 131 BUSHING Dr Spkt Supt Also Part of 48 8631905 Part of 9 8631900 52 4 189 HOUSING Lo Rev Clu 4 4 131 RING Dr Spkt Supt 8652535 W Bush 8643007 5 4 169 WASHER Thrust Supt Dir Clu 8631029 53 4 162 RING Snap Lo Rev Clu 6 4 251 BAND KIT Inter 8653978 Hsg Case 8631549 7 4 105 PLUG Band Anchor l llole 8637640 54 N S SEAL Lo Rev Piston Otr 8 4 169 BUSHING Dir Clu Frt 8631902 55 N S SEAL Lo Rev Piston Inr 9 4 169 RETAINER Check Vallve 56 4 005 SEAL KIT Lo Rev Clu 8631913 W Ball Direct Clu 8628732 57 4 163 PISTON Apply Ring Lo Rev 10 4 1639 HOUSING Dir Clu W Drum 8637976 Clu 8653916 11 4 169 BUSHING Dir Clu Drum Rr 58 4 166 RING Lo Rev Clu Apply 8631231 Also Part of 9 8631901 59 4 164 SPRING Lo Rev Clu Rel 8628222 12 N S SEAL Dir Clu Piston Otr 60 4 164 RETAINER Lo Rev Clu Spg 8631075 13 N S SEAL Dir Clu Piston Ctr 61 4 180 RING KIT Ret to Lo Rev 14 N S SEAL Dir Clu Piston Inr Clu Hsg 4 005 8631948 15 4 166 SEAL KIT Dir Clu Piston 8631911 62 4 163 PLATE Lo Rev Clu 8631079 16 4 166 PISTON Dir Clu 8631009 63 4 163 PLATE ASM Lo Rev Clu 8631080 17 4 164 RING Apply W Rel Spg Dir 64 4 163 PLATE Lo Rev Clu Bkg 8631091 Clu 8631017 65 4 180 SPACER Rev Clu Hsg Lo 18 4 164 RING Snap Fwd Clu Bkg Race See Catalog Dir Clu 8652055 66 4 180 RACE Lo Roller Clu 8631093 19 4 163 PLATE Dir Clu 2 3 Flat 8631026 67 4 180 ROLLER Lo Clu 8652403 20 4 163 PLATE Fwd Dir Clu 8652409 68 4 180 WASHER Thrust Reaction 21 4 163 PLATE Fwd Dir Clu Bkg 8658146 Carr Lo Race 8631227 22 4 164 RING Snap Fwd Dir Clu 69 4 161 BUSHING Reaction Carrier 8631905 Bkg 8652055 70 4 175 CARRIER Reaction 8660048 23 4 169 SPACER Dr Spkt to Input 71 4 176 WASHER Thrust Reaction Shaft See Catalog Carr 8628188 24 4 123 RING Input Shaft Oil Seal 8631048 72 4 159 BEARING Thrust Reaction Int 25 4 123 BUSHING Input Shaft Also Gear to Carr 8628962 Part of 22 8631903 73 4 187 GEAR Reaction Internal 8652236 26 4 169 HOUSING Fwd Clu 8653977 74 4 175 SHAFT Final Drive Sun Gr 8652388 27 4 169 RETAINER Fwd Clu Check 75 4 176 SPACER Final Dr Int Gr Valve W Ball 8633748 1980 8631361 28 N S SEAL Fwd Clu Piston Otr 4 176 SPACER Final Dr Int Gr 29 N S SEAL Fwd Clu Piston Inr 1981 1 8637015 30 4 166 SEAL KIT Fwd Clu Piston 8631986 76 4 319 BUSHING Case Final Drive 8631119 31 4 166 PISTON Fwd Clu A ppIy 77 4 187 GEAR Final Drive Inter Ring 8637973 W Bshg 8631117 32 4 166 RING Fwd Clu Apply 8631376 78 4 187 BEARING Thrust Sun 33 N S GUIDE Rel Spg Gear Int Gr 8631116 34 N S RETAINER Fwd Clu W Spg 79 4 187 GEAR Final Drive Sun 8631155 35 4 164 SPRING W Guide Flet Fwd 80 4 159 BEARING Carr To Sun Gear Clu Release 8631927 Thrust 8628962 36 4 164 RING KIT Spg Ret Fwd Clu 81 8 934 RING Pin Pinion Ret For 4 005 8631948 80m Shaft 4 228 Part of 37 4 163 PLATE Fwd Clu Waved 8652126 Item 82 38 4 163 PLATE Fwd Clu Flat 8631379 82 4 175 CARRIER W Pinion Kit Final 39 4 158 WASHER Thrust Input Shft 8631747 Dr Incl 81 83 88 8637972 40 4 158 GEAR W Bushing Input 83 4 256 GEAR Gov Drive Part of Item Internal 8631049 82 8631 571 41 4 1518 BUSHING Input Int Gear 84 4 176 WASHER Thrust Diff Part of 40 8631904 Carr Case See Catalog 42 4 1 59 WASHER Thrust Input Carr 8631063 85 4 176 BEARING Thrust Diff 43 4 1715 CARRIER Input Complete 8631681 Carr Case 8631362 44 4 1519 WASHER Thrust Input Carr 8631062 86 4 175 GEAR KIT Diff Pinion 8637919 45 4 1519 GEAR Input Sun 8631061 87 4 175 CARRIER PINION KIT Fin 46 4 17 5 DRUM Input 8631729 Dr 8637972 47 4 1559 RING Snap Input Drum Sun 88 N S PIN Planet Pinion Part of Gear See Catalog Item 82 48 4 159 BUSHING Reaction Sun Part of 45 8631906 Y i 1987 GENERAL MOTORS SERVICE PARTS OPERATIONS 0LDSMOBlLE 31A 7 87 4 85 4 000 GROUP