I A I GM04 255 I 080885 8 21 2 9 U I 7 I K 5 T L I I I J I 2 A 01 8 B IB mm 1 5 r y v 17 I 1 Q E 9 1 16 N L 13 y I 22 gy I A 14 I W7 I 5 1 25 4 5 7 4 as I 1 L 26 31 28 27 f 1 l V I W 4 3 I I 30 6 1 A R I I V I II 10 DM5189E121 I GM04 255 1 982 1986 B BRAKE BOOSTER VACUUM QDIUAL DIAPHRAGM MORAINE I 1982 1986 G BRAKE BOOSTER VACUUM DUAL DIAPHRAGM MORAIN I 1987 B BRAKE BOOSTER VACUUM DUAL DIAPHRAGMXMOR INE NOTE SEE PARTS CATALOG FOR POWER BOOSTER CHART IN GROIJP 4 901 1 N S BOOT 1 2 7 2 N S SILENCER 1 2 4 3 N S VALVE VACUUM CHECK 1 2 3 4 N S GROMMET 1 2 3 5 N S SWITCH VACUUM SOME MODELS 1 2 5 I 6 N S GROMMET 1 2 5 7 N S SEAL FRT HOUSlNG 1 2 I 8 N S BEARING PRIM PlSTON 1 2 I I 9 N S HOUSING RR 1 A 10 N S HOUSING FRT 1 11 N S SPRING RETURN 1 Q 12 4 924 ROD VAC PWR BOOS PISTON 1 13 N S RETAINER REACTION 1 14 N S SILENCER POWER HEAD 1 2 4 I 15 N S RETAINER DIAPHRAGM 1 2 16 N S DIAPHRAGM PRlM 1 2 17 N S PLATE PRIM SUPPORT 1 18 N S BEARING PISTON SECD 1 2 19 N S DIVIDER HOUSING 1 I 20 N S DIAPHRAGM SECD 1 2 21 N S PLATE SUPPORT SECD 1 A 22 N S DISC REACTION 1 2 6 23 N S PISTON REACTION 1 6 24 N S RETAINER BODY REACTION 1 4 6 I 25 N S BODY REACTION 1 6 26 N S SPRING AIR VALVE 1 4 1991 GENERAL MOTORS SERVICE PARTS OPERATIONS 0LDSMOBILE 32W 6 9 1 4 119 4 000 GROUP