I 0 033 ENGINE Cylinder and Case C0n t 6 85 M1 4 3N 10104425 i 1 1489 00 ENGINE PARTIAL CASE HAS FUEL PUMP I OPENING NOTE 1 2 3 PGO 19 7 86 89 M1 4 32 A 10049096 1 1489 00 ENGINE PARTIAL NOTE 2 3 PGO 1 2 5 90 91 LM1 4 32 LB4 10049096 1 1489 00 ENGINE PARTIAL PGO 1 2 90 91 M1 4 3B LU2 12507662 1 1489 00 ENGINE PARTIAL 0 056 BOLT Engine Main Bearing Cap 85 89 M1 4 3N Z Q 3932480 8 82 BOLT BRG CAP 7 16 14X3 34 A IPGO 1 90 91 LM1 4 3B LU2 4 32 LB4 3932480 8 82 BOLT CR SHF BRG CAP 7 16 14X3 34 PGO 19 64 V 0 095 CAP Engine Main Bearing T 85 90 M1 4 3N Z 3956688 3 35 25 CAP CR SHF BRG 1 2 3 PGO 27 51 a 0 096 BEARING BEARING KIT Engine Crankshaft 85 87 M1 4 3N 2 462674 1 7 55 BEARING CR SHF 1 UPR 002 U S 85 87 M1 4 3N 2 462677 1 7 55 BEARING CR SHF 1 LWR 001 U S 85 88 M1 4 3N 2 10120990 1 U N L BEARING CR SHF 1 2 3 STD PGO 36 62 85 87 M1 4 3N Z 464047 1 14 95 BEARING KIT CR SHF 1 010 U S PGO 36 62 A 85 87 M1 4 3N Z 464048 1 14 95 BEARING KIT CR SHF 1 020 U S I PGO 36 62 85 87 M1 4 3N 2 A 476011 1 18 90 BEARING KIT CR SHF 1 009 U S PGO 36 62 85 M1 4 3N Z 3912034 1 21 30 BEARING KIT CR SHF RR 009 U S 85 87 M1 4 3N 2 3 912037 2 14 40 BEARING KIT CR SHF 2 3 009 U S 6 PGO 36 62 85 89 M1 4 3N 2 Q 10120990 3 N L BEARING KIT CR SHF 1 2 3 STD v PGO 36 62 I 85 89 M1 4 3N 2 10120993 1 N L BEARING KIT CR SHF RR STD PGO 36 63 85 89 M1 4 3N Z 10120994 1 21 05 I BEARING KIT CR SHF RR 001 U S V 85 87 M1 4 3N 2 12329428 2 16 30 BEARING KIT CR SHF 1 2 3 010 U S 00 616 PGO 36 62 85 87 M1 4 3N 2 12329429 2 15 75 BEARING KIT CR SHF 1 2 3 020 U S 00 616 PGO 36 62 85 89 M1 4 3N Z 12329757 2 16 20 BEARING KIT CR SHF 1 2 3 wi 001 U S 00 616 PGO 36 62 85 87 M1 4 3N Z 12329792 1 21 30 BEARING KIT CR SHF RR 0O2 U S U PGO 36 63 85 88 M1 4 3N Z 12329793 1 A 20 45 BEARING KIT CR SHF RR 5 010 U S I PGO 36 63 85 87 M1 4 3N 2 12329794 1 21 30 BEARING KIT CR SHF RR 020 U S I A PGO 36 63 87 88 M1 4 32 10065271 1 21 30 BEARING KIT CR SHF RR STD 008 O S FLG PGO 36 63 87 88 M1 4 32 10181326 1 21 30 BEARING KIT CR SHF RR 001 U S 0O8 O S FLG PGO 36 63 88 90 M1 4 32 A 10120991 1 15 45 BEARING KIT CR SHF 1 2 3 UPR LWR 00 1 U S PGO 36 62 90 91 LM1 4 3B LU2 4 32 LB4 101 20990 3 N L BEARING KIT CR SHF 1 2 3 STD PGO 36 62 1 90 91 LM1 4 3B LU2 4 32 LB4 10120993 1 N L BEARING KIT CR SHF RR STD PGO 36 63 90 LM1 4 3B 2 P 12329428 3 16 30 BEARING KIT CR SHF 1 2 3 010 U S 00 616 PGO 36 62 90 LM1 4 3B 2 12329757 2 16 20 BEARING KIT CR SHF 1 2 3 001 U S 00 616 PGO 36 62 0 137 BOLT GASKET SEAL SEAL KIT STUD Engine Rear Main Bearing 86 89 M1 4 32 14088561 2 35 BOLT CR SHF RR SEAL RET PGO 27 37 l 86 89 M1 4 32 14088562 1 45 BOLT CR SHF RR SEAL RET 1 4 20X1 V U 75 PGO 27 38 I 90 91 LM1 4 3B LU2 4 32 LB4 14088561 2 35 BOLT CR SHF RR SEAL RET PAN TORX 1 4 20X0 88 PGO 27 37 90 91 LM1 4 3B LU2 4 32 LB4 14088562 1 45 BOLT CR SHF RR OIL SEAL HSG PAN I TORX 1 4 20X1 75 PGO 27 38 86 89 M1 4 32 12337823 1 69 GASKET CR SHF RR SEAL RET PGO 27 A 39 90 91 LM1 4 3B LU2 4 32 LB4 12337823 1 69 GASKET CR SHF RR SEAL RET PGO 27 V V 39 86 89 M1 4 32 14088559 1 13 57 SEAL CR SHF RR PGO 27 39 90 91 LM1 4 3B LU2 4 32 LB4 10088158 1 N L SEAL CR SHF RR OIL 1991 GENERAL MOTORS SERVICE PARTS OPERATIONS Z LT TRUCK 52M 1 I 0 033 0 1 37 0 12 1 91