68 69 Ser 40 thru 60 SBC w Frame Mounted Brake Booster 69 Ser 50 exc Air Brake A SBC 70 Ser 40 Conv D D 70 Ser 40 50 Conv SBC exc Air Brakes 70 Ser 50 Tilt w 17 000 lb axle 70 Ser 50 60 Conv TDM exc Air Brakes 3883082 A R 25 65 66 Ser 60 LCF w 5 Spd exc Diesel Emerg Air Brake 3953987 2 10 WASHER parking brake lever 67 68 Ser 40 Conv SBC Gas w Brake Booster Dual Brakes exc Frame Mounted Brake Bstr 67 68 Ser 50 60 Gas exc Full Air TDM Tilt A O H B 18 500 Ib axle 8875877 1 122 WASHIER hydraulic cyl valve Midland 4 X 2698 4 661 BOLT GASKET Main Cylinder Pipe Connector 56 61 All power brake cyl to main cyl Vz 2O x Wu thd 66 All w A O H B 67 Ser 50 exc SBC Tilt 67 Ser 60 exc SBC Tilt TDM 67 Ser 60 TDM exc 4 cyc Diesel 3727827 1 1 55 main cyl rear pipe connecting 56 61 All 799303A R 06 GASKET cyl to brake pipe tee adapter V1 I D x Via O D copper 59 61 All 799390 1 06 GASKET pipe connector bolt I D x O D copper 4 662 PlN RETAlNER Main Cylinder Adjusting 63 69 All 3817879A R 10 clevis Iairake main cylinder P B push rod to brake pedal end and actuator lever use w 3817880 ret 63 69 All 3817880A R 05 RETAINER clevis pin brake main cylinder P B push rod to brake pedal end and actuator lever 4 665 gEI l lDER ASSY COVER REPAIR UNIT Wheel Brake Also see group 55 59 Ser 4 5 6 5455482 2 7 25 front wf B 0 D piston cast 5454385 55 Ser 4 5 6 56 59 Ser 4 5 6 7 8 TDM SBC exc H D 60 62 Ser 40 thru 60 60 61 Ser 70 SBC w 15 000 Ib axle 63 65 Ser 50 60 w 15 000 Ib axle 5454313A Fl 11 85 rear front W2 dia cast 5454251 one Vi 20 one E I 24 hole Note 1 55 Ser 4 5 6 56 59 Ser 4 5 6 7 8 TDM SBC exc H D 60 62 Ser 40 thru 60 60 61 Ser 70 SBC w 15 000 Ib axle 63 Ser 50 60 w 15 000 Ib axle 5454314A R 11 85 rear rear W2 dia cast 5454251 two Via 20hoIes Note 1 56 70 All w 7 000 lb front axle 2254354 2 7 75 frt upper left and lower right 1V dia 56 70 All w 7 000 Ib front axle 2254355 2 7 75 frt upper right and lower left 1V 56 59 Ser 7 8 9 10 exc Air Brake 57 59 Ser 5 6 w H D axle 2331947 4 8 7 5 rear 11 dia less bleeder screw 58 59 All w 9 000 Ib frt axle 3745443 1 7 95 front left 1V4 dia 58 59 All w 9 000 lb frt axle 3745444 1 7 95 front right 1V dia 60 62 Ser 40 5459356 1 7 75 front left 1 dia A 60 62 Ser 40 5459357 1 7 30 front right 1 dia 60 66 Ser 50 60 exc 7 000 Ib axle 67 69 Ser 40 t 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATION P A 315 7 REV 6 71 4 199 4 659 4 665