GM4 83 V S J A i U 4 I nv P J 69 I W l 5 1 05 I Q T I It M r e 0 1 A gg J ez I V o 4 J 6 z L it Q 4 Q Q K O r O 9 GD 4 H T Ll if L I m T l E A ww I5 GM4 83 1980 81 B DIESEL BRAKE PEDAL POWER HEAD MOUNTING 1 CYLINDER Brk Master r 4 650 2 GASKET P B Cyl 4 910 V 3 BOLT Hex 7 16 14 x 3 1 2 8 900 4 NUT MBP x 1 25 x16 8 921 5 BRACKET Brk Ped 4 634 6 CLIP Stop Cruise Switch 2 247 7 VALVE Vac Release 3 885 I 8 SWITCH Stoplight 2 447 9 NUT Hex Flgd M10 x 1 5 4 634 10 SPACER Brk Ped t 4 634 11 BUSHING Brk Clu Ped 4 626 12 PLATE Brk Ped Clu 4 630 13 COVER Brk Ped Ped 4 630 14 ARM Brk Ped 4 625 15 WASHER Brk Ped Push Rod 4 634 16 Part of Power Head N S 17 WASHER 441 x 750 4 662 18 RETAINER Type B 062 4 662 19 SCREW Tap M8 x 1 25 x 20 8 977 20 VALVE ASM Brk Comb 4 690 21 PIPE ASM M Cyl to Comb Vlv Rr 4 685 22 PIPE ASM M Cyl to Comb Iv Frt 4 685 23 BOOSTER Hyd Pwr Brk 1 4 805 NOTE 1 See Illustration View Covering Booster o GM PARTS DIVISION GENERAL MOTORS CORPORATION BUlCK 41A I I 9 80 4 89 4 000 GROUP