T4B 48 5 1985 86 CK BRAKE SYSTEM W JB8 1 CYLINDER ASM Brk Master 4 650 2 BOOSTER ASM Hyd Pwr Brk 4 805 3 HOSE ASM Pwr Brk Boos Inlt 4 845 4 HOSE Pwr Strg Return 3 8 x1O Ft Cut as Req 8 962 5 CLAMP Hose Worm Type 1 4 to5 8 8 948 6 TUBING Steel Bulk 3 8 OD Cut as Req 8 964 7 PIPE ASM Pwr Brk Boos Otlt 4 845 8 GASKET Pwr Brk Boos 4 805 9 BRACKET ASM Brk Ped 4 634 10 BRACE Brk Ped Brkt 4 634 11 EXTENSION Brk Ped Brkt Br 4 648 12 NUT Hex Fldg Prev Torq M 10x1 5 4 634 13 TUBING 3 16 8 964 14 TUBING Stl Bulk 1 4 OD Cut as Req 8 964 15 VALVE Brk Comb 4 690 16 BRACKET Pwr Brk Boos Pipe Clip N S 17 CLIP Pwr Brk Boos Pipe 4 845 18 BOLT Hex 5 16 18x3 4 8 900 19 WASHER Reg Helical Lk M8 8 931 20 NUT Hex 5 16 18x17 64 Thk 8 915 21 HOSE Pwr Strg Rtn 3 8 xIO Ft Cut as Req Exc N41 6 671 HOSE ASM Hyd Strg Gr Inl W N41 6 670 22 CLIP Pwr Brk Boos Pipe 4 845 23 NUT Hex 1 4 8 917 24 BOLT Hex 1 4 20x1 8 900 25 PUMP ASM Pwr Brk Boos 6 605 26 SUPPORT ASM Pwrt Brk Boos Pump Adj 6 606 27 SUPPORT ASM Pwr Brk Boos Pump Brkt Lwr 6 606 I 28 4 NUT Hex 3 8 16 8 915 29 WASHER Lk 3 8 8 931 30 WASHER Spl 390 Dx 75 OD 8 929 31 BOLT Hex 3 8 16x1 8 900 f WASHER Flat 13 32 Dx13 16 OD x1 16 Thk 8 929 32 BOLT Hex 3 8 16x3 4 8 900 33 PULLEY Hyd Strg Pump 6 655 34 BELT Pwr Strg Pump N S 35 BOLT Hex Flg Hd M6x1x12 8 900 36 BOLT Hex Fldg Hd M10x1 5x25 M 10 9 Phos 1980 8 900 37 BRACKET Pwr Brk Boos Pump Piv 6 606 38 HOSE Pwr Boos Pump Resvr L 4 845 V 39 CLAMP Worm 11 16 1 5 16 8 948 40 SCREW Hex Wa Hd Tap M8x1 25x20 8 977 r 41 BOLT Hex 5 16 18x7 8 8 900 WASHER Lk 5 16 8 931 r 42 BRACKET Pwr Brk Boos Pump Resvr 4 805 43 CAP Pwr Brk Boos Pump Resvr i 6 635 44 RESERVOIR Hyd Strg Pump 6 635 45 RETAINER Type B 1 16 Spring Steel Wire 8 934 46 NUT Hex Lk 7 16 14 8 917 47 BUSHING Brk Ped 4 626 48 SPRING Brk Ped Pull Bk 4 639 49 SLEEVE Brk Ped 4 634 50 BOLT Hex 7 16 14x6 1 2 W M T 8 900 BOLT Hex 7 16 14x3 1 2 W A T 8 900 51 COVER Brk Ped Pad Q 4 630 52 PEDAL Brk Z 4 625 53 PLATE Brk Ped Rtn Spg 4 639 54 WASHER Brk Ped Push Rod 4 625 55 BRACKET Rear Brake Hose 4 681 56 BRACKET Height Sensing Brk Propn Cont Vlv 4 690 57 VALVE Height Sensing Brk Propn Cont 1 4 690 58 LEVER Height Sensing Brk Propn Vlv 4 690 59 HOSE Rear Brake 4 680 60 PIPE Height Sensing Brk Propn Cont Vlv 4 685 NOTE 1 For more detailed information on this area see illustration titled Height Sensing Brake Proportional Valve group 4 000 x 1i 1988 GENERAL MOTORS SERVICE PARTS 0PERATl0NS LT TRUCK 52R 1 88 4 6 4 4 000 GRQUP