W 74848 1979 84 CK BRAKE SYSTEM W JB8 1 CYLINDER ASM Brk Master 44 4 4 650 y 2 BOOSTER ASM Hyd Pwr Brk 4 4 4 4 4 805 3 HOSE ASM Pwr Brk Boos Inlt 4 845 4 HOSE Pwr Strg Return 3 8 x 10 Ft Cut as Req 6 871 5 CLAMP Hose Worm Type I 4 to 5 8 8 948 6 TUBING Steel Buld 3 8 0D Cut as Req 8 984 7 PIPE ASM Pwr Brk Boas Otlt 4 845 8 GASKET Pwr Brk Boas 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 MIO x 1 5 4 634 1 3 TUBING 3 16 8 964 14 TUBING Steel Buld I 4 OD Cut as Req 8 964 15 VALVE Brk Comb 4 690 16 BRACKET Pwr Brk Boos Pipe Clip 4 845 17 CLIP Pwr Brk Bcos Pipe 4 845 18 BOLT Hex 5 16 I8 x 3 4 8 900 19 WASHER Reg Helical Lk MB 8 931 20 NUT Hex 5 I6 18 x 17 64 Thk 8 915 21 HOSE Pwr Strg Rtn 3 8 x 10 Ft Cut as Req Exc N41 6 671 HOSE ASM Hyd Strg Gr Ini W N4l 6 670 22 CLIP Pwr Brk Boos Pipe 4 845 23 NUT Hex 1 4 8 917 24 BOLT Hex 1 4 20 x 1 8 900 25 PUMP ASM Pwr Brk Bcos 6 605 26 SUPPORT ASM Pwrt Brk Beos Pump Adi 8 606 27 SUPPORT ASM Pwr Brk Boos Pump Brkt Lwr 6 606 28 NUT Hex 3 8 16 8 915 29 WASHER Lk 3 8 8 931 30 WASHER Spl 390 ID 75 OD 8 929 31 BOLT Hex 3 8 16 x 1 8 900 WASHER F st 13 32 ID 13 16 OD 1 16 Thk 8 929 32 BOLT Hex 3 8 16 x 3 4 8 900 33 PULLEY Hyd Strg Pump 6 655 34 BELT Pwr Strg Pump 1 066 35 BOLT Hex M8 x 1 x 13 8 900 BOLT Hex 3 8 16 x 3 4 1979 8 900 38 BOLT Hex Fldg Hd M10 x I 5 x 25 I980 8 900 BOLT Hex 3 8 16 x1 1 8 1979 8 900 37 BRACKET Pwr Brk Boos Pump Piv 8 806 38 HOSE Pwr Boos Pump Resvr 4 845 39 CLAMP Worm Type I 1 16 to 1 5 6 1 168 40 SCREW Hex Wa Hd Tap M8 x 1 25 x 20 8 977 41 BOLT Hex 5 I6 18 x 7 B 8 900 WASHER Lk 5 I 6 8 931 42 BRACKET Pwr Brk Boos Pump Resvr 4 805 43 CAP Pwr Brk Boos Pump Flesvr 6 635 44 RESERVOIR Hyd Strg Pump 6 635 45 RETAINER Type B I 15 Spring Steel Wire 8 934 46 NUT Hex Lk 7 16 I4 8 917 47 BUSHING Brk Ped 4 628 48 SPRING Brk Ped Pull Bk 4 639 49 SLEEVE Brk Ped 4 634 50 BOLT Hex 7 16 14 x 6 I 2 W M T 8 900 BOLT Hex 7 16 14 x 3 1 2 W A T 8 900 51 COVER Brk Ped Ped 4 630 52 PEDAL Brk 4 625 53 PLATE Brk Ped Pull Bk Spg 4 639 54 WASHER Brk Ped Push Rod 4 625 55 BRACKET Rear Brake Hose 4 681 58 BRACKET Height Sensing Brk Propn Cont Vlv 4 890 57 VALVE Height Sensing Brk Propn Cont I 4 890 58 LEVER Height Sensing Brk Propn Vlv 4 690 59 HOSE Rear Brake 4 680 60 PIPE Height Sening Brk Propn Cont Vlv 4 885 NOTE I For more detailed information on this area see illustration titled Height Sensing Brake Proportional Valve group 4 000 r WAREHOU5 NG AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION LT TRUCK 5ZA 1 84 oai 4 000 GROUP