4P 4028 1983 88 B6 S7 AIR COMPRESSOR 13 CU FT I MIDLAND 4 852 W J E4 1 BOLT 3 8 16 X 7 8 N S 27 STOP DISCHARGE VALVE NOTE 4 4 864 2 WASHER 3 8 N S 28 SPRING DISCHARGE VALVE NOTE 2 3 MANIFOLD AIR COMPRESSOR 3 4 4 864 EXHAUST 4 852 29 VALVE DISCHARGE NOTE 2 3 4 4 864 4 GASKET CYLINDER HEAD 30 SEAT DISCHARGE VALVE NOTE 4 4 864 DISCHARGE FLANGE 4 868 31 HEAD CYLINDER NOTE 4 N S 5 BOLT 3 8 16 X 3 1 4 N S 32 BOLT COMPRESSOR COVER 5 16 18 6 BOLT 1 4 20 X 3 4 N S X 1 3 16 4 860 7 WASHER 1 4 N S 33 C AP COMP CRANKSHAFT BEARING 8 COVER AIR COMPRESSOR REAR 4 862 I UNLOADER VALVE 4 864 34 SPRING BEARING COVER SEAL 9 GASKET UNLOADER VALVE COVER NOTE 3 4 864 NOTE 1 2 3 4 868 35 RING CRANKSHAFT REAR END 10 VEE UNLOADER VALVE SEAL NOTE COVER SEAL NOTE 3 4 862 1 2 3 N S 36 GASKET CYLINDER BLOCK 11 PIN AIR COMPRESSOR UNLOADER 4 864 CRANKCASE CAP NOTE 3 4 868 12 SPRING UNLOADER VALVE NOTE 1 37 CRANKSHAFT AIR COMPRESSOR 4 860 2 3 N S 38 KEY COMP CRANKSHAFT 1 4 X 1 X KL 13 BOLT 3 8 16 X 3 N S 438 N S 14 GASKET AIR GOVERNOR TO 39 GASKET COMP BASE MOUNTING 4 854 COMPRESSOR 4 868 40 BEARING CONNECTING ROD 4 858 15 GOVERNOR AIR 4 870 41 ROD CONNECTING 4 858 16 BOLT 5 16 18 X 3 4 N S 42 BOLT CONNECTING ROD PART OF 17 GASKET AIR CLEANER INLET 4 858 ROD CONNECTING 4 858 ADAPTER 4 866 43 NUT COMP CRANKSHAFT 3 4 16 4 860 18 MANIFOLD AIR COMP INTAKE PART 44 SCREW CRANKCASE COVER TO OF 4 865 CLEANER AIR N S CRANKCASE 5 16 18 X 1 3 16 4 860 19 ELEMENT AIR CLEANER PART OF 45 BEARING COMP CRANKSHAFT 4 860 4 865 CLEANER AIR 4 865 46 CRANKCASE AIR COMPRESSOR 4 852 20 COVER AIR CLEANER PART OF 47 GASKET CYLINDER BLOCK TO 4 865 CLEANER AIR 4 865 CRANKCASE NOTE 3 4 868 21 WASHER 5 16 N S 48 RING SET COMP PISTON 4 856 22 WASHER DISCHARGE VALVE NOTE 49 RETAINER PISTON PIN N S I 2 3 4 A 4 864 50 PIN COMP PISTON 4 856 23 SEAT INLET VALVE NOTE 4 4 864 51 PISTON AIR COMPRESSOR 4 856 24 VALVE INLET NOTE 2 3 4 4 864 52 BLOCK COMP CYLINDER 4 852 25 SPRING INLET VALVE NOTE 2 3 4 4 864 53 GASKET COMP CYLINDER HEAD 26 GUIDE INLET VALVE NOTE 4 4 864 NOTE 2 3 4 868 NOTE 1 PART OF 4 864 KIT UNLOADER VALVE REPAIR INCL ITEM 9 10 12 NOTE 2 PART OF 4 852 KIT CYLINDER HEAD REPAIR INCL ITEM 9 10 12 22 24 25 28 29 53 NOTE 3 PART OF 4 868 KIT COMP MAJ REPAIR INCL ITEM 9 10 12 22 24 25 28 29 34 36 47 53 NOTE 4 PART OF 4 852 HEAD COMPRESSOR CYLINDER INCL ITEM 22 31 1987 GENERAL MOTORS SERVICE PARTS 0PERAT ONS M SB G 09 87 4G 109 4 000 GROUP