GM4 76 1980 81 X INTERNAL TRANSMISSION POWER TRAIN COMPONENTS NI34 I 40 1 4 131 BEARING Dr Spkt Also Part 49 4 159 GEAR Reaction Sun 8631094 V of 2 8631190 50 4 164 RING Snap Hsg Case 8631078 50 2 4 131 SUPPORT Dr Spkt Incl 1 8631954 51 4 180 BUSHING Lo Rev Clu Hsg 60 3 4 131 BUSHING Dr Spkt Supt Also Part of 48 8631905 Part of 9 8631900 52 4 189 HOUSING Lo Rev Clu 70 4 4 131 RING Dr Spkt Supt 8631195 W Bushing 8631643 80 5 4 169 WASHER Thrust Supt Dir 53 4 162 RING Snap Lo Rev Clu Clu 8631029 I Isg Case 8631549 90 6 4 251 BAND Inter 8631030 54 N S SEAL Lo Rev Piston Otr 100 7 4 251 PLUG Band Anchor Hole 8631755 55 N S SEAL Lo Rev Piston lnr 110 8 4 169 BUSHING Dir Clu Frt 8621902 56 4 005 SEAL KIT Lo Rev Clu 8631913 120 9 4 169 RETAINER Check Valve 57 4 163 PISTON Apply Ring Lo Rev I W Ball Direct Clu 8638732 Clu 8631929 130 10 4 169 HOUSING Dir Clu W Drum 8631928 58 4 166 RING Lo Rev Clu Apply 8631231 140 11 4 169 BUSHING Dir Clu Drum Rr 59 4 164 SPRING Lo Rev Clu Rel 8628222 Also Part of 9 8631901 60 4 164 RETAINER Lo Rev Clu Spg 8631075 150 12 N S SEAL Dir Clu Piston Otr 61 4 180 RING KIT Ret to Lo Rev 160 13 N S SEAL Dir Clu Piston Ctr Clu Hsg 4 005 8631948 170 14 N S SEAL Dir Clu Piston Inr 62 4 163 PLATE Lo Rev Clu 8631079 180 15 4 166 SEAL KIT Dir Clu Piston 8631911 63 4 163 PLATE ASM Lo Rev Clu 8631080 190 16 4 166 PISTON Dir Clu 8631009 64 4 163 PLATE Lo Rev Clu Bkg 8631091 200 17 4 164 RING Apply W Rel Spg Dir 65 4 180 SPACER Rev Clu Hsg Lo Clu 8631017 Race See Catalog 210 18 4 164 RING Snap Fwd Clu Bkg 66 4 180 RACE Lo Roller Clu 8631093 Dir Clu 8631028 67 4 180 ROLLER Lo Clu 8631133 A 220 19 4 163 PLATE Dir Clu 2 3 Flat 8631026 68 4 180 WASHER Thrust Reaction 230 20 4 163 PLATE Fwd Dir Clu 8631025 Carr Lo Race 8631227 240 21 4 163 PLATE Fwd Dir Clu Bkg 8631027 69 4 161 BUSHING Reaction Carrier 8631905 250 22 4 164 RING Snap Fwd Dir Clu 70 4 175 CARRIER Reaction 8631082 Bkg 8631028 71 4 176 WASHER Thrust Reaction 260 23 4 169 SPACER Dr Spkt to Input Carr 8628188 V Shaft See Catalog 72 4 159 BEARING Thrust Reaction Int Z70 24 4 123 RING Input Shaft Oil Seal 8631048 Gear to Carr 8628962 280 25 4 123 BUSHING Input Shaft Also 73 4 187 GEAR Reaction Internal 8631097 Part of 22 8631903 74 4 175 SHAFT Final Drive Sun Gr 8631098 290 26 4 169 HOUSING Fwd Clu 9 8631926 75 4 176 SPACER Final Dr Int 300 27 4 169 RETAINER Fwd Clu Check Gr 1980 8631361 Valve W Ball 8628064 4 176 SPACER Final Dr Int 310 28 N S SEAL Fwd Clu Piston Otr Gr 1981 1 8637015 320 29 N S SEAL Fwd Clu Piston Inr 76 4 319 BUSHING Case Final Drive 8631119 330 30 4 166 SEAL KIT Fwd Clu Piston 8631912 77 4 187 GEAR Final Drive Inter 340 31 4 166 PISTON Fwd Clu Apply W Bshg 8631117 Ring 8631921 78 4 187 BEARING Thrust Sun 350 32 4 166 RING Fwd Clu Apply 8631376 Gear Int Gr 8631116 360 33 N S GUIDE Rel Spg 79 4 187 GEAR Final Drive Sun 8631155 370 34 N S RETAINER Fwd Clu W Spg 80 4 159 BEARING Carr To Sun Gear 380 35 4 164 SPRING W Guide Ret Fwd Thrust 8628962 Clu Release 8631927 81 8 934 RING Pin Pinion Ret For 390 36 4 164 RING KIT Spg Ret Fwd Clu 80m Shaft 4 228 Part of 4 005 8631948 Item 82 400 37 4 163 PLATE Fwd Clu Waved 8631378 82 4 175 CARRIER UNIT Diff 410 38 4 163 PLATE Fwd Clu Flat 8631379 W Planet Pin Incl Items 420 39 4 158 WASHER Thrust Input Shft 8631573 81 83 88 8637907 430 40 4 158 GEAR W Bushing Input 83 4 256 GEAR Gov Drive Part of Item Internal 8631049 82 8631571 440 41 4 158 BUSHING Input Int Gear 84 4 176 WASHER Thrust Diff Part of 40 8631904 Carr Case See Catalog 450 42 4 159 WASHER Thrust Input Carr 8631063 85 4 176 BEARING Thrust Diff 460 43 4 175 CARRIER nput Comp ete 8631681 Carr Case 8631362 470 44 4 159 WASHER Thrust Input Carr 8631062 86 4 175 GEAR KIT Diff Pinion 8631949 480 45 4 159 GEAR Input Sun 8631061 87 4 175 PINION KIT Final Drive 490 46 4 175 DRUM Input 8631729 Planet 8631920 500 47 4 159 RING Snap Input Drum Sun 88 N S PIN Planet Pinion Part of Gear See Catalog Item 82 510 48 4 159 BUSHING Reaction Sun Part of 45 I 8631906 WAREHOUS NG AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION BUICK 41A REV 2 5 81 4 47 I 4 000 GROUP