AUTOMATIC TRANSMISSION I I 4 216 RING RIVET SPRING STOP VALVE Transmission Pressure Regulator I and OII Pump C0n t I I A A 85 89 M1 MD8 8634106 1 1 15 SPRING OIL PUMP PRESS RLF PG4 46 I A 232 I I 85 89 M1 MD8 I 8634378 1 90 SPRING OIL PUMP CONV CLU VLV INNER PG4 46 229 85 89 M1 MD8 8634399 1 85 SPRING OIL PUMP CONV CLU VLV OUTER PG4 46 228 85 M1 MD8 8642494 1 1 95 SPRING OIL PUMP PRESS REG VLV PG4 I 45 219 86 M1 2 5E MD8 6642494 1 1 95 SPRING OIL PUMP PRESS REG VLV PG4 I 45 219 Q 86 M1 4 32 MD8 8642751 1 60 SPRING OIL PUMP PRESS REG VLV PG4 I 45 219 I 87 89 M1 MD8 8642751 1 60 SPRING OIL PUMP PRESS REG VLV PG4 I 45 219 90 91 LM1 MD8 I 8634106 1 1 15 SPRING OIL PUMP PRESS RLF PG4 46 f I 232 I 90 91 LM1 MD8 8634378 1 90 SPRING OIL PUMP CONV CLU VLV A INNER PG4 46 229 90 91 LM1 MD8 8634399 1 85 SPRING OIL PUMP CONV CLU VLV A I OUTER PG4 46 228 90 91 LM1 2 MD8 A 8642751 1 60 SPRING OIL PUMP PRESS REG PG4 45 219 85 89 M1 MD8 8634705 1 78 STOP CONV CLU VLV PG4 46 226 90 91 LM1 MD8 8634705 1 78 STOP CONV CLU VLV PG4 46 226 85 89 M1 MD8 8634031 1 5 00 VALVE OIL PUMP CONV CLU PG4 46 I 227 I 85 86 M1 MD8 8634941 1 6 85 VALVE W BUSH THROT VLV BOOST I PG4 45 222 4 85 89 M1 MD8 A 8637546 1 9 40 VALVE OIL PUMP PRESS REG PG4 45 218 86 89 M1 4 32 MD8 8634941 1 6 85 VALVE W BUSH THROT VLV BOOST I I PG4 45 222 I 86 90 M1 2 5E MD8 8647990 1 8 90 VALVE W BUSH PUMP CVR THROT VLV I I BOOST PG4 45 222 89 M1 4 32 MD8 8647990 1 8 90 VALVE W BUSH PUMP CVRATHROT VLV I A BOOST PG4 45 222 90 91 LM1 MD8 8634031 1 5 00 VALVE OIL PUMP CONV CLU PG4 46 I 227 3 90 LM1 4 32 MD8 8634941 1 6 85 VALVE W BUSH THROT VLV BOOST I PG4 45 222 I 90 91 LM1 MD8 8637546 1 9 40 VALVE OIL PUMP PRESS REG PG4 45 I 218 90 LM1 4 32 MD8 8647990 1 8 90 VALVE W BUSH PUMP CVR THROT VLV I I BOOST PG4 45 222 90 M1 4 3B MD8 8634941 1 I 6 85 VALVE W BUSH THROT VLV BOOST A A PG4 45 222 4 224 BODY COVER PLUG ROTOR ROTOR KIT SCREEN SEAL SLEEVE SLlDE SPRING Transmnssncn Onl Pump A NOTE 2 1ST DES HAS NO AUX VALVE BODY 2ND DES IS WITH AUX VALVE BODY WAS BU LT A BEFORE 87040 3RD DES W TH AUX VALVE BODY WAS BUILT ON OB AFTEFI 87040 WITH 2 5E 2 8H 4 3Z 6 2C 4 85 89 M1 MD8 8649964 1 N L BODY PUMP PG4 45 203 A 90 91 LM1 MD8 8649964 1 N L BODY PUMP PG4 45 203 85 M1 2 5E 4 3N MD8 8667083 1 N L IACOVER PUMP INCL SHF FLANGE ASM VLV SEAL PLUG SPRING PG4 45 I 217 A 86 M1 2 5E 4 32 MD8 8667085 1 301 00 COVER PUMP INCL SHF FLANGE ASM VLV SEAL PLUG SPRING PG4 45 I 217 I 87 M1 4 32 MD8 3RD DES 8667011 1 N L COVER PUMP INCL SHF FLANGE ASM I VLV SEAL PLUG SPRING SEE NOTE 2 PG4 45 217 87 M1 4 32 MD8 2ND DES 8667015 1 N L COVER PUMP COMPL SEE NOTE 2 PG4 45 217 I 87 M1 2 5E MD8 2ND DES 8667015 1 N L COVER PUMP COM PL PG4 45 217 87 M1 2 5E LN8 4 32 LB4 I MD8 1ST DES 8667085 1 301 00 COVER PUMP DOES NOT HAVE AUX VLV BODY INCL SHF FLANGE ASM VLV SEAL PLUG SPRING SEE NOTE 2 PG4 45 217 87 M1 2 5E MD8 3RD DES 866769I1 1 437 00 COVER PUMP INCL SHF FLANGE ASM I VLV SEAL PLUG SPRING SEE NOTE I 2 PG4 45 217 I 1991 GENERALMOTORS SERVICE PARTS 0PERATIONS LT TRUCK 52M 4 21 6 4 224 4 40 1 91