L 1988 VACUUM POWER BOOSTERCHART1 A A I AM TRUCK A 1 PRODUCTION SERVICE DIV USAGE A COL N0 18009730 18009730 CT M1 W JB3 1ST DES 1 18012882 18012882 CT M1 W JB3 2ND DES 2 1988 M POWER BOOSTER CHART GROUP A 1 2 1 SERVICE POWERHEAD BOOSTER 4 901 18009730 18012882 AIR VALVE PLUNGER VALVE 4 918 18012257 18014492 BOOT KIT 4 659 18012140 18012140 PISTON KIT L 1 4 922 18014014 18015795 PISTON ROD KIT 4 924 05469384 05469384 POWERHEAD REPAIR KIT A 4 898 18014481 18014481 VALVE GROMMET 4 955 18003614 18003614 A I A I I 1ST DES LABELED MD 2ND DES LABELED LM 1 1 A 1991 GENERAL MOTORS SERVICE PARTS 0PERAT 0NS LT TRUCK 52M 1 4 901 A A 4 92 1 1 1 91