4P 4020 1983 88 B6 AIR COMPRESSOR 12 CU FT TU FLO 501 WATER COOLED CYL AIR COOI ED BLOCK GEAR DRIVEN BENDIX 4 852 W J E4 1 RING SET AIR COMPRESSOR PISTON 4 856 32 CAP AIR COMPRESSOR 2 PIN AIR COMPRESSOR PISTON 4 856 CRANKSHAFT BEARING 4 860 3 RETAINER AIR COMPRESSOR 33 BOLT HEX 7 16 14 X 3 4 8 900 PISTON PIN 4 856 34 PLUG AUTO PIPE 1 8 27 8 971 4 PISTON AIR COMPRESSOR 4 856 35 VALVE AIR COMPRESOR INLET 4 864 5 ROD CONNECTOR NOTE 1 N S 36 GUIDE AIR COMPRESSOR INLET I 6 BUSHING CONNECTOR ROD NOTE 1 N S VALVE 4 864 7 INSERT CONNECTOR ROD BRG 37 SEAT AIR COMPRESSOR INLET NOTE 1 N S VALVE 4 864 8 GOVERNOR AIR 4 870 38 SEAT AIR COMPRESSOR UNLOADER 9 WASHER LOCK 5 16 8 931 SPRING 4 864 10 BOLT HEX 5 16 18 X 2 7 8 8 900 39 SPRING AIR COMPRESSOR 11 WASHER LOCK 7 16 8 931 UNLOADING VALVE RELEASE 4 864 12 BOLT CRANKSHAFT BEARING CAP N S 40 SADDLE AIR COMPRESSOR 13 CAP AIR COMPRESSOR UNLOADER SPRING 4 864 CRANKSHAFT BEARING 4 860 41 GUIDE AIR COMPRESSOR UNLOADER 14 BEARING AIR COMPRESSOR PLUNGER 4 864 V CRANKSHAFT 4 860 42 PLUNGER AIR COMPRESSOR 15 RING AIR COMPRESSOR UNLOADER 4 864 CRANKSHAFT RR GROMMET 4 862 43 GROMMET AIR COMPRESSOR 16 WASHER AIR COMPRESSOR UNLOADER 4 864 CRANKSHAFT THRUST 4 860 44 BUSHING AIR COMPRESSOR 17 PLUG AUTO SOCKET 1 8 27 X 300 UNLOADER VALVE 4 864 LG 8 971 45 PISTON AIR COMPRESSOR 18 CRANKSHAFT AIR COMPRESSOR 4 860 CYLINDER UNLOADER NOTE 3 N S 19 GASKET AIR GOVERNOR 4 868 46 RING AIR COMPRESSOR UNLOADER 20 KEY AIR COMPRESSOR PISTON BACKUP NOTE 3 I N S CRANKSHAFT 4 860 47 GASKET AIR COMPRESSOR 21 RING AIR COMPRESSOR CYLINDER HEAD 4 868 V CRANKSHAFT END COVER 4 862 48 SEAT AIR COMPRESSOR DISCHARGE 22 CRANKCASE AIR COMPRESSOR 4 852 VALVE 4 864 23 CAP CONNECTOR ROD NOTE 1 N S 49 VALVE AIR COMPRESSOR 24 STRAP BOLT LOCK NOTE 1 N S DISCHARGE 4 864 25 BOLT CONNECTOR ROD NOTE 1 2 N S 50 SPRING AIR COMPRESSOR 26 WASHER LOCK 3 8 8 931 DISCHARGE VALVE 4 864 27 BOLT HEX 3 8 16 X 7 8 260M 51 BUSHING HEX 1 2 X 3 8 EXT 8 963 STEEL 8 900 52 HEAD AIR COMPRESSOR CYLINDER 4 852 28 LINE AIR COMPRESSOR OIL 4 867 53 PLUG PIPE 3 8 18 8 971 29 GROMMET AIR COMPRESSOR OIL 54 BOLT HEX 3 8 16 X 1 8 900 DRAIN LINE 4 867 55 SPRING AIR COMPRESSOR INLET 30 COVER AIR COMPRESSOR VALVE Q 4 864 CRANKCASE BOTTOM 4 862 56 INSERT AIR COMPRESSOR INLET 31 GASKET AIR COMPRESSOR VALVE SPRING 4 864 CYLINDER BLOCK TO CRANKCASE 4 868 57 SEAT AIR COMPRESSOR INLET VALVE 4 864 NOTE 1 PART OF 4 858 ROD AIR COMPRESSOR CONNECTING INCL ITEM 5 7 23 25 NOTE 2 PART OF 4 858 BOLT AIR COMPRESSOR CONNECTING ROD INCL ITEM 25 NOTE 3 PART OF 4 856 PISTON AIR COMPRESSOR UNLOADER INCL ITEM 45 46 1 1987 GENERAL MOTORS SERVICE PARTS OPERATIONS M SB G 09 87 I 4G 11 1 4 000 GROUP