1 946 72 BRAKES 4 944 SEAL STEM Vacuum Power Brake Cylinder Relay Valve Con t 68 Ser 40 thru 60 SBC w Frame Mounted Brake Booster V 71 72 Tilt w Trailer Air Brk 2323217 1 relay valve tube z x az Midland N 1 1728 F 67 68 Ser 60 TDM exc A O H B Air Brk 2499814 1 piston rod bushing 0 ring Midland N 3 11728 AA 67 68 Ser 60 TDM exc A O H B Air Brk l 2494021 1 push rod O ring Midland N 1 1728 BA 63 66 Ser 50 w Brake Booster 63 66 Ser 60 TDM exc A O H B 63 66 Ser 60 w H D Brake Booster 63 66 Ser 80 exc 2 cyc Diesel 67 70 Ser 40 w Brake Booster 67 70 Ser 50 TDM exc A O H B 67 70 Ser 50 60 Conv Diesel exc A O H B 67 70 Ser 50 60 Tilt exc H D Brake Booster 68 70 Ser 50 w H D Brake Booster exc Tilt 69 70 Ser 40 thru 60 w Dual Brakes 71 72 All 3830352 1 STEM cyl poppet valve Bendix 2501229 4 955 VALVE ASSY BRACKET CLIP CUP ASSY FITTING GROMMET REPAIR UNIT SEAL SEAT ASSY SLEEVE SPRING WASHER Vacuum Power Brake Check NOTE 1 lt may be necessary to drill a gz hole using 0 d part as a guide 58 Ser 5 6 7 8 9 10 58 59 Ser 4 w Brake Booster exc 2 Spd V 59 Ser 5 6 w A O H B 59 Ser 7 A O H B w 2 Spd axle 59 Ser 6 7 8 9 10 exc Air Brake V 60 Ser 40 w Brake Booster 60 FFC w Sgl Spd axle 60 64 All w Sgl Spd axle 60 69 All w Air Equip 65 66 Ser 50 4 cyc Diesel exc Tilt 67 Ser 50 TDM 3 67 Ser 50 60 Tilt 67 Ser 50 60 Conv Diesel exc A O H B 69 70 Ser 40 50 SBC w vac reserve tank 69 70 Ser 40 thru 60 Dual Brk 4 w Vac reserve tank 71 72 Ser 40 71 72 Ser 50 exc 15 000 lb 2 Spd axle Air Brk V 71 72 Ser 60 exc Air Brks TDM 8869146 1 Bendix 2505465 5 645 58 Ser 4 6 w 2 Spd exc D D H D Brake Booster 59 Ser 4 thru 8 w 2 Spd exc H D axle 60 62 Ser 50 thru 70 2 Spd axle w vacuum shift 8869147 1 double check Bendix 379589 5 645 66 Ser 60 w H D Brake Booster 4 cyc Diesel exc TDM 67 68 Ser 60 TDM exc A 0 H B 2494038 1 check valve MidIand C 13460 C 66 Ser 60 TDM 66 Ser 80 exc Diesel 67 70 Ser 50 TDM exc A O H B 67 72 Ser 60 Conv Tilt w 18 500 Ib axle exc A O H B 69 72 Ser 60 TDM exc Air Brk Dual Brk 3896573 1 residual check valve Bendix 2504180 67 68 Ser 40 thru 60 Gas w Brake Booster exc A O H B 18 500 lb axle D D Tilt TDM Frame Mounted Brake Booster wd GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 72TM 4 944 4 955 4 300 REV 5 79