L I I I TG00 009 52 0 056 BOLT CRANKSHAFT BEARING CAP 3932480 I V 53 0 095 CAP CRANKSHAFT BEARING 2 3 4 4 BOLT MAIN 3956688 0 09 5 CAP CRANKSHAFT BEARING 1 2 3 4 V 3956686 N S CAP CRANKSHAFT BEARING 1 REAR PART OF ITEM 4 54 0 096 BEARING KIT CRANKSHAFT 1 2 3 4 STANDARD I 10120990 L 0 096 BEARING KIT CRANKSHAFT 1 2 3 4 001 INC H UNDERSIZE I 10120991 I 0 096 BEARING KIT CRANKSHAFT 1 002 INCH UNDERSIZE 12329758 0 096 BEARING KIT CRANKSHAFT 2 3 4 009 INCH UNDERSIZE 3912037 0 096 BEARINGIKIT CRANKSHAFT REAR STANDARD 10120993 0 096 BEARING KIT CRANKSHAFT REAR 001 INCH UNDERSIZE 10120994 0 096 BEARING KIT CRANKSHAFT REAR 010 INCH UNDERSIZE 12329793 I I A 0 096 BEARING KIT CRANKSHAFT REAR STANDARD 008 INCHOVERSIZE FLANGE 10181325 L 0 096 BEARING KIT CRANKSAHFT REARI O01 INCH UNDERSIZE 008 FLANGE 10181326 55 0 728 SPROCKET CRANKSHAFT W MD8 3896959 0 728 SPROCKET CRANKSHAFT 1990 W 5 1K M40 275 285 INCH TOOTH I WIDTH I I Q 14088784 0 728 SPROCKET CRANKSHAFT 1990 W 5 7K M40 400 410 INCH TOOTH r WIDTH I 464617 0 728 SPROCKET CRANKSHAFT 1991 W 5 7K MT1 275 285 INCH TOOTH I L I WIDTH L 14088784 L 0 728 SPROCKET CRANKSHAFT 1991 W 5 7K MT1 400 410 INCH TOOTH V A WIDTH 464617 56 0 659 DAMPER TORSIONAL W 5 0H L 10066045 0 659 DAMPER TORSIONAL W 5 7K I 6272222 57 8 940 PIN GROOVE 312X 375 274584 58 1 079 STUD COOLANT PUMP A 10088164 59 I 8 900 BOLT HEX 3 8 16X2 1 4 300M I 3733130 60 1 069 PUMP KIT COOLANT 10077059 61 0 646 CRANKSHAFT ENGINE W 5 0H I I 14088536 I 0 646 CRANKSHAFT ENGINE W 5 7K I I 14088527 62 1 079 GASKET COOLANT PUMP L 3754587 63 8 960 KEY WOODRUFF 3 16X3 4 A 64 0 539 BEARING CAMSHAFT 2 REAR 474006 65 0 519 CAMSHAFT ENGINE W 5 0H I 14088841 I I 01519 CAMSHAFT ENGINE W 5 7K Q 1 14088839 66 0 539 BEARING CAMSHAFT 1 I 474005 I 67 0 539 BEARING CAMSHAFT 3 4 L I Q 474007 68 0 213 SEAL CRANKSHAFT FRONT OIL 10036286 69 8 900 BOLT HEX 1 4 20X1 2 I Q 180016 8 932 WASHER EXT TOOTH LOCK 1 4 Q 121753 70 0 206 COVER ENGINE FRONT W POINTER W 5 0H 10089670 A 0 206 COVER ENGINE FRONT W P0 NTER W 5 7K 10089671 L 71 0 207 GASKET ENGINE FR ONT COVER 10108435 72 8 900 BOLT HEX 5 16 18X3 4 I L I L 9424877 I 8 929 WASHER FLAT 5 16X5 8X1 16 I 2436162 73 0 736 SPROCKET CAMSHAFT 275 285 TOOTH WIDTH I 1 4088785 0 736 SPROCKET CAMSHAFT 400 410 TOOTH WIDTH A 1 0144067 74 0 724 CHAIN CAMSHAFT TIMING 275 285 TOOTH WIDTH L 14088783 0 724 CHAIN CAMSHAFT TIMING 400 410 TOOTH WIDTH L 346261 75 8 900 BOLT HFH 3 8 16X3 4 UPPER 9439905 8 900 IBOLT HFH 1 4 2OX5 8 LOWER I A 4 9440033 76 3 901 COVER FUEL PUMP OPENING I I I 14094069 77 3 904 GASKET FUEL PUMP OPENING COVER 10108438 78 0 293 PLUG CYLIINDER CASE OIL GAL HOLE I Q L 444654 I I I79 1 531 PLUG CYLINDER CASE OIL PRESSURE W 5 0H L I 14091563 80 8 970 PLUG EXPANSION CUP 2 107 0D 3997752 81 1 430 BAFFLE OIL PAN HORIZON UPPER W 5 7K 10147830 82 8 917 NUT HEX 375X16 00 W 5 7IQ V 9422297 63 8 939 PIN 1 4X5 8 I 10105879 84 I 0 137 SEAL ICRANKSHAFT REAR A 14088559 L NOTE 1 SEE INDICATOR ILLUSTRATION IN GROUP 1 000 I RPO DEFINITIONS I MD8 4 SPEED AUTOMATIC TRANSMISSION THM700 R4 I MT1 4 SPEED AUTOMATIC TRANSMISSION THM R2 I M40 3 SPEED AUTOMATIC TRANSMISSION I L NA1 EMISSION SYSTEM GVW LESS THAN 8500 LB I I NA4 EMISSION SYSTEM GVW ABOVE 8500LB L 52 1 OIL PAN 5 OUART I I 1991 GENERAL MOTORS SERVICE PARTS OPERATIONS LT TRUCK 52G I 0 000 GROUP I I ass L 1 91 L