j TXO4 104 I 1985 1987 M BRAKE BOOSTERNACUUM DUAL DIAPHRAGMNVIORAINEQ I 1988 M BRAKE BOOSTER VACUUM DUAL DIAPHRAGM MORA E 1 ST D S 1 I N S I BOOT 1 2 6 2 N S SILENCER 1 2 4 I I 3 N S VALVE VACUUM CHECK 1 2 3 x I 4 N S GROMMET 1 2 3 5 N S SWITCH VACUUM SOME MODELS 1 2 6 N S GROMMET 1 2 7 N S SEAL FRT HOUSING 1 2 I I 8 N S BEARING PRIMARY PISTON 1 2 I 9 N S HOUSING RR 1 10 N S HOUSING FRONT 1 Z I 1 1 N S SPRING RETURN 1 I 12 4 924 ROD VACUUM POWER BOOSTER PISTON 1 5469384 13 I N S RETAINER REACTION 1 I 14 N S SILENCER POWER HEAD 1 2 15 N S RETAINER DIAPHRAGM 1 2 I I 16 N S DIAPHRAGM PRIMARY 1 2 I I 17 N S PLATE PR MARY SUPPORT 1 I 18 N S BEARING PISTON SECONDARY 1 2 I 19 I N S DIVIDER HOUSING 1 I 20 N S DIAPHRAGM Q SECONDARY 1 2 21 N S PLATE SUPPORT SECONDARY 1 22 N S DISC REACTION 1 2 5 I 23 N S PISTON REACTION 1 5 I E 24 N S RETAINER BODY REACTION 1 4 5 I 25 N S BODY REACTIONI 1 5 I 26 N S SPRING AIR VALVE 1 4 27 N S BUMPER REACTION 1 2 4 I I 28 N S RING RETAINING 1 2 4 29 IN S FILTER 1 2 4 30 N S RETAINER 1 4 V I 31 N S O RING 1 4 32 N S ROD ASM AIR VALVE PUSH 1 2 4 I 33 N S PISTON POWER 1 5 NOTE 1 18009730 BOOSTER VACUUM POWER 4 901 CODE MD INCLITEM 1 33 I A NOTE 2 1 8014481 REPAIR KIT PWR BRK 4 898 INCL ITEMS 1 8 14 15 16 18 20 22 27 28 29 32 I I NOTE 3 18003614 VALVE VACUUM POWER BOOSTER CHK W GROMMET 4 955 INCL ITEM 3 4 NOTE 4 18012257 PLUNGER VACUUM POWER BOOSTER W VALVE 4 918 INCL ITEM 2 24 26 32 NOTE 5 18014014 PISTON KIT VACUUM POWER BOOSTER 4 922 INCL ITEM 22 25 33 A I NOTE 6 18012140 REPAIR KIT POWER BRAKE BOOSTER BOOT 4 659 INCL ITEM 1 2 24 S S I r I4 I 1991 GENERAL MOTORS SERVICE PARTS OPERATIONS LT TRUCK 52M I 1 91 V I 4 75 4 000 GROUP I G Y 4 4 I 4