GM4 84 00 0 000 00 2 n A l 6 I l g g jg A W llllI I l HMI I in I l 1 II I NWI Ill li 1 vl 0 0 ZW I GM4 64 1980 81 B C E DIESEL BRAKE HYDRAULIC BOOSTER 1 soot 6 6 N s I 2 Nut 1 6 L E m s 3 BRACKET W Stud 6 N s 4 COVER Housing 1 6 N S 5 SEAL Housing 1 2 3 5 6 N S 6 Euston 6 Accu1v1u1 AToR 1 6w6r 3 6 N s 7 VALVE Spoo 6 N S 6 Housmo 6 N s 9 0 mms 6 6 N s 10 FITTING Return P0rt 6 N S 11 SLEEVE Spool Valve 6 N S 12 SPRING Spool Return 6 N S 13 0 mma 66661 1 166 1 6 6 1 1 s 14 PLUG SpooI 4 6 N S 15 RETAINER Spool Plug 4 6 N S 16 0 nmo 5 6 N s 17 FIOD Output 6 N S 18 SEAL 1 16166 1 2 3 6 6 1 1 s 19 BOLT Housing 6 N S 20 SPRING Power Piston Return 6 N S 21 RETAINER Spring 6 N S NOTE 7 Part of Grp 4 870 COVER KIT Pwr Brk Booster Input Seal NOTE 2 Part of Grp 4 8 70 PISTON KIT W Hsg Pwr Brk Booster NOTE 3 Part of Grp 4 8 70 PISTON ACCUMULATOR KIT Pwr Brk Booster NOTE 4 Part of Grp 4 8 70 SEAL Spool Plug Pwr Brk Booster NOTE 5 Part of Grp 4 8 70 SEAL KIT Pwr Brk Booster NOTE 6 Part of Grp 4 805 BOOSTER Hyd Pwr Brk own mms DIVISION GENERAL MOTORS conpommom 6u1cK 41A L 4 000 GROUP 4 100 9 80