1 426 PAN REINFORCEMENT Engine Oil C0n tI I I 4 10054779 1 66 50 PAN OIL REO D WHEN USING 9091 L1 4 32 LB GOODWRENCH ENG 10121027 PGO 35 35 Q 0 91 LM1 4 3B LU2 4 32 LB4 10054809 1 63 25 PAN OIL PGO 27 42 5 M1 4 3N 14082342 RH 1 35 REIN FORCEMENT OIL PAN 85 M1 4 3N 14082343 LH 1 35 REINFORCEMENT OIL PAN 86 89 M1 4 32 14088503 LH 1 35 REINFORCEMENT OIL PAN PGO 27 41 86 89 M1 4 32 14088504 RH 1 55 REINFORCEMENT OIL PAN PGO 27 41 90 91 LM1 4 3B LU2 4 32 LB4 14088503 LH 1 35 REINFORCEMENT OIL PAN PGO 27 41 E 90 91 LM1 4 3B LU2 4 32 LB4 14088504 RH 1 55 REINFORCEMENT OIL PAN PGO 27 41 1 428 STUD Engine Oil Pan 85 89 M1 4 3N 2 14080362 4 57 STUD OIL PAN PGO 19 61 85 M1 4 3N 14101092 2 1 65 STUD OIL PAN 2 3 4 RH 1 4X20X 56 I 4X20X 50 PGO 19 62 86 89 M1 4 3N Z 14101092 2 65 STUD OIL PAN 1 4X20X 56 I 4X20X I 50 PGO 19 62 90 91 LM1 4 3B LU2 4 32 LB4 14080362 4 57 STUD OIL PAN 5 16X18X1 44 280MM r PGO 19 61 I 90 91 LM1 4 3B LU2 4 32 LB4 14101092 2 f 65 STUD OIL PAN USE AT 2 4 RH PGO 19 62 V 1 429 GASKET Oil Pan 85 M1 4 3N 2 14079397 1 13 95 GASKET OIL PAN CONSIST OF 2 E n GASKETS OIL PAN RH LH 2 I SEALS FRT RR PGO 19 55 V 86 89 M1 4 32 14088514 1 29 95 GASKET OIL PAN PGO 27 40 90 91 LM1 4 3B LU2 4 32 LB4 14088514 1 29 95 GASKET OIL PAN PGO 27 40 1 453 NUT PLUG Oil Pan Drain NOTE REFER ITO STANDARD PARTS CATALOG FOR ALL APPLICATIONS NOT LISTED BELOW 85 88 M1 2 5E I 10035813 1 85 NUT DRAIN PLUG 12X1 75X9 2 85 89 M1 4 3N LB1 4 32 LB4 3921988 1 75 PLUG OIL PAN DRN 8 971 PGO 19 59 85 90 M1 2 5E 10017615 1 89 PLUG OIL PAN DRAIN M12X1 75X26 5 PGO 3 41 88 M1 2 5E A TRNS MD8 10044483 1 16 10 PLUG OIL PAN DRAIN M85X2 5 THD I STL PL 110 OD 1 7 4 THK 90 91 LM1 4 3B LU2 4 32 LB4 3921988 I 75 PLUG OIL PAN DRN 8 971 1 2 20 81LG 44 THD LGTH 88 FL H D DIA ul E 4 PGO 19 59 y V D 1 456 GASKET PLUG Oil Pan Drain Plug X V I 85 87 M1 2 5E 14090908 1 54 GASKET OIL PAN DRAIN PLUG PGO 3 I 42 Q 87 M1 2 5E 10017614 1 66 GASKET OIL PAN DRAIN BOLT 87 89 M1 4 32 14090908 I 54 GASKET OIL PAN DRAIN SCREW PGO 3 42 88 M1 2 5E 1ST DES 10017614 1 66 GASKET OIL PAN DRAIN BOLT ZINC COATED STEEL 88 M1 2 5E A TRNS 10038854 1 5 25 GASKET OIL PAN DRAIN FILTER I 88 M1 2 5E 2ND DES 14090908 1 54 GASKET OIL PANB DRAIN PLUG MOLDED I PLASTIC TO STEEL PGO 3 42 89 M1 2 5E 14090908 I 54 GASKET OIL PAN DRAIN PLUG PGO 3 42 V 90 91 LM1 14090908 1 54 GASKET OIL PAN DRN PLUG PGO 3 42 90 M1 2 5E 3835577 1 28 PLUG CYL BLK OIL GAL FRT DIA 587 I 08 970 1 51 6 INDICATOR SEAL STUD TUBE Oil Level 85 89 M1 2 5E 10036839 1 4 05 INDICATOR OIL LVL PGO 3 14 A 85 M1 4 3N 14094022 1 3 75 INDICATOR OIL LVL PGO 20 108 86 M1 4 32 10045242 1 4 05 INDICATOR OIL LVL ev 87 89 M1 4 32 10055501 1 4 20 INDICATOR OIL LVL PGO 36 85 90 91 L1 4 32 LB4 10144011 1 2 75 INDICATOR OIL LVL PART HAS RED I Z PAINTED DOT ON TOP OF HANDLE PG1 23 2 90 M1 2 5E 10116233 1 2 75 INDICATOR ENG OIL LEVEL PGO 1 1 20 90 91 M1 4 3B LU2 4 32 LB4 10172704 1 1 80 INDICATOR OIL LVL PGI 23 2 85 90 M1 2 5E 10101844 1 1 10 SEAL OIL LVL IND TUBE PGO 3 16 90 LM1 4 32 14054461 1 38 STUD OIL LVL IND TUBE 02 183 85 M1 2 5E 10036840 1 6 75 TUBE OIL LVL IND PGO 3 15 85 M1 4 3N 14082335 1 4 25 TUBE OIL LVL IND LWR PGO 20 111 E 85 M1 4 3N 14082336 1 4 25 TUBE OIL LVL IND UPR PGO 20 110 86 M1 2 5E 1ST DES 10036840 1 6 75 TUBE OIL LVL IND ENG CODES B4L B4M PGO 3 15 1991 GENERAL MOTORS SERVICE PARTS 0PERATIONS LT TRUCK 52M 1 426 1 516 i 140 1 91