T4B 46 1979 84 P 42 BRAKE SYSTEM W JB5 JB6 JB7 1 BRACKET Brk Ped 4 4 634 2 BOLT Brk Ped Rod 3 8 16 x1 4 4 4 662 3 SPRING Brk Ped Pull Bk 4 639 4 COVER Brk Ped Pad 4 638 5 PEDAL Brk 4 625 6 NUT Hex Flgd Prev Torque M10 x 1 5 4 634 7 END Brk Ped Push Rod 4 658 8 HOSE Vac Brk Sys l 1 32 ID Cut as Required 8 962 9 FILTER VecPwr Brk Cyl Hove 4 913 10 CLAMP Hose Worm Type I Z to 15 IG 1 166 8 948 1 1 BOLT Hex 3 8 18 x 3 4 8 900 WASHER Med Spr Lk 3 8 8 931 12 PIPE Pwr Brk Cyl 4 930 13 TUBING 3 8 0D Cut es Required 8 964 14 GROMMET P B Bone Tub 4 930 1 5 CONNECTOR N S 16 PIPE ASM Hr Brk Main Cyl Upr W JB5 JB7 4 885 TUBING Rr Brk Main Cyl Upr W JB6 1 4 OD 8 964 TUBING 3 16 8 964 17 BRACKET Brk Comb Vlv 4 890 18 VALVE Brk Comb 4 690 19 NUT Hex Prev Torque 5 16 18 8 917 20 GASKET 45 Degree Fid Tube 3 16 ID 5 I 6 OD 8 955 Z1 PLUG Inv Fld Tube 3 16 Tube 3 8 24 Thd 8 969 22 BOLT Hex 5 16 18 x 1 3 4 8 980 23 CYLINDER ASM Brk Mae er 1 4 850 24 BOOSTER Vac Pwr Brk 1 4 981 25 NUT Hex 5A6 18 x I7 64 Thk 8 915 26 SLEEVE Brk P d 4 634 27 BOLT Hex 5 16 16 x 3 4 8 900 WASHER Ext Tooth Lk M8 8 932 28 RUSHING Brk Ped 4 626 29 GASKET Pwr Brk Cyl 4 918 30 BOLT Hex M10 x 1 5 x 25 8 900 31 PIN Cotter M3 2 x 25 8 938 92 NUT Hex Lk 3 B I 6 8 91 7 NOTE l For information on serviceable components refer to Applicable Assembly illustration L WAHEHOUSING AND DISTRIBUTION DIVISION DF GENERAL MOTORS CORPORATION LT TRUCK 52A 1 84 4 91 4 000 GR OUP