1988 89 VACUUM POWER BOOSTER CHART G TRUCK DELCO MORAINE PRODUCTION SERVICE DIV USAGE COL N0 18010580 18010580 CT G1 W JB3 1 18010582 18010582 CT G1 2 W JB5 2 18011338 18011338 CT G3 4 3Z 5 7K W JB7 3 18013986 18013986 CT G3 7 4N W JB7 4 1988 89 G POWER BOOSTER CHART MORAINE GROUP 1 2 3 4 SERVICE POWERHEAD BOOSTER 4 901 18010580 18010582 18011338 18013896 AIR VALVE PLUNGER VALVE 4 918 18007868 18007859 18007859 PISTON KIT 4 922 18014016 18014007 18014006 18014006 PISTON ROD KIT 4 924 05469384 05469384 05469384 05469384 POWERHEAD REPAIR KIT 4 898 18014779 18014494 18014494 18014494 VALVE GROMMET 4 955 18003614 18003614 18003614 18012017 1991 GENERAL MOTORS SERVICE PARTS 0PERATIONS LTTRUCK 52G 4 901 4 154 1 91