1 4P 4003 1983 88 B6 AIR COMPRESSOR 7 1 4 CU FT MIDLAND AIR COOLED 4 852 W JE4 1 BOLT HEX 1 4 20 X 1 1 4 N S 24 SEAT AIR COMPRESSOR DISCHARGE 2 WASHER LOCK 1 4 N S VALVE NOTE 2 4 864 3 BODY AIR COMPRESSOR UNLOADER 25 SCREW AIR COMPRESSOR BLOCK VALVE NOTE 1 4 864 CRANKCASE COVER 4 860 4 CONNECTOR MALE 1 4 X 1 8 27 X 26 CAP AIR COMPRESSOR 7 16 24 BRASS 8 963 CRANKSHAFT BEARING 4 860 5 TUBE AIR COMPRESSOR UNLOADER 4 867 27 GASKET AIR COMPRESSOR 6 ELBOW INVERT FLARED TUBE 90 CRANKSHAFT COVER 4 868 DEG 1 4 X 1 8 27 X 7 16 24 BRASS 8 963 28 CRANKSHAFT AIR COMPRESSOR 4 860 7 GOVERNOR AIR 4 870 29 KEY CRANKSHAFT N S 8 BRACKET AIR GOVERNOR 4 872 30 CRANKCASE AIR COMPRESSOR 4 852 9 DIAPHRAGM AIR COMPRESSOR 31 GASKET AIR COMPRESSOR BASE 4 854 UNLOADER VALVE NOTE 1 4 864 32 BEARING AIR COMPRESSOR 10 DISC AIR COMPRESSOR UNLOADER CONNECTING ROD 4 858 VALVE NOTE 1 4 864 33 ROD CONNECTING NOTE 3 N S 11 BUSHING AIR COMPRESSOR 34 NUT CONNECTING ROD BOLT NOTE UNLOADER VALVE NOTE 1 4 864 3 N S 12 RING AIR COMPRESSOR UNLOADER 35 NUT AIR COMPRESSOR VALVE RETAINING NOTE 1 4 864 CRANKSHAFT 4 860 13 PIN AIR COMPRESSOR UNLOADER 4 864 36 STUD N S 14 SPRING AIR COMPRESSOR 37 BEARING AIR COMPRESSOR UNLOADING VALVE 4 864 CRANKSHAFT 4 860 15 CLEANER AIR COMPRESSOR AIR 4 865 38 STUD AIR COMPRESSOR CYLINDER 16 HEAD CYLINDER NOTE 2 N S BLOCK 4 852 17 GASKET AIR COMPRESSOR 39 GASKET AIR COMPRESSOR CYLINDER BLOCK TO CRANKCASE 4 868 CYLINDER BLOCK TO CRANKCASE 4 868 18 VALVE INLET NOTE 2 4 864 40 BOLT CONNECTING ROD NOTE 3 N S 19 GUARD VALVE NOTE 2 N S 41 RING SET AIR COMPRESSOR PISTON 4 856 20 CAGE EXHAUST VALVE NOTE 2 N S 42 BUTTON PISTON PIN 4 856 21 SPRING AIR COMPRESSOR 43 PIN AIR COMPRESSOR PISTON 4 856 DISCHARGE VALVE NOTE 2 4 864 44 PISTON AIR COMPRESSOR 4 856 22 WASHER NOTE 2 N S 45 BLOCK AIR COMPRESSOR CYLINDER 4 852 23 VALVE EXHAUST NOTE 2 4 864 46 WASHER LOCK 5 16 N S 47 NUT HEX 5 16 24 N S NOTE 1 PART OF 4 864 UNLOADER AIR COMPRESSOR INCL ITEM 3 9 12 NOTE 2 PART OF 4 852 HEAD AIR COMPRESSOR CYLINDER INCL ITEM 16 18 24 NOTE 3 PART OF 4 858 ROD AIR COMPRESSOR CONNECTING INCL ITEM 33 34 40 Y i 1987 GENERAL MOTORS SERVICIE PARTS OPERATIONS M SB G 09 87 4G 107 4 000 GROUP