1946 72 BRAKES 4 878 CAP BEARING BLOCK BODY BRACKET BUMPER BUSHING CAM COVER DIAPHRAGM DISC FILTER GASKET GROMMET HANDLE HOSE KNOB O RING PISTON PLUNGER REPAIR UNIT RETAINER RING ROD 2 SCREW SEAL SHAFT SPOOL SPRING STUD SUPPORT TEE VALVE Trailer Tractor Break Away Con t 69 70 Ser 50 60 Trailer Air Brake w Emerg Ai r Brakes 71 72 Ser 50 60 Trailer Air Brake w Emerg Air Brake exc Tilt 2381839 1 REPAIR UNIT protection Midland RN 31 B 67 72 Ser 50 60 Tilt w Trailer Air Brake 2359874 1 REPAIR UNIT minor overhaul Midland RN 314 67 68 Ser 60 Conv TDM w Trailer Air Brake 70 Ser 50 60 Conv TDM w Trailer Air Brakes 2496076 1 REPAIR UNIT Midland RN 10 DF 71 72 All w Trailer Air Brake exc Tilt 2496076 1 REPAIR UNIT control valve Midland RN 10 DF 71 72 Tilt w Trailer Air Brake 2479673 1 REPAIR UNIT trailer protection valve u w 2479673 Midland RN 31 T 67 Ser 60 exc Tilt 2496420 1 RETAINER trailer air brake relay valve seal Bendix 243852 67 72 Ser 60 Conv TDM w Trailer Air Brake 69 72 Ser 50 w Trailer Air Brake exc Tilt 2496444 1 RING control valve cover Midland N 1 1728 BK 70 72 Tilt w Trailer Air Brakes 2478593 1 RING valve cover frict Mid N 11728 BK 70 72 Tilt w Trailer Air Brakes 2478594 1 RING O valve spool 70 72 Tilt w Trailer Air Brakes 2478595 1 RING 0 break away valve 70 72 Tilt w Trailer Air Brakes 2478596 1 RING exhaust valve disc ret 70 72 Tilt w Trailer Air Brakes 2478597 1 RING break away valve piston stop 71 72 Tilt w Trailer Air Brake 2381835 1 RING O protector valve piston Midland N 1 178 V 69 Ser 60 w Emerg Air Brake 2 exc Tilt 70 72 Ser 50 60 Conv TDM w Emerg Air Brakes 3954033 1 ROD emerg control valve 63 66 All w Trailer Air Brake 67 72 Ser 50 60 Tilt w Trailer Air Brake exc 6 cyl 2359870 1 SEAL O ring emerg air valve cap Midland N 11728BZ 63 66 All w Trailer Air Brake 67 72 Ser 50 60 Tilt w Trailer Air Brake exc 6 cyl 2359869 1 SEAL O ring emerg air valve piston Midland N 11728 CD 63 66 All 67 72 Ser 50 60 Tilt w Trailer Air Brake exc 6 cyl 2278657 1 SEAL O ring valve piston to body z x is 65 66 Ser 60 80 4 cyc Diesel exc TDM 67 68 Ser 60 Tilt w Air Brake 69 Ser 50 60 Tilt w Trailer Air Brake 69 70 Ser 50 60 Trailer Air Brake w Emerg Air Brake 71 72 Ser 50 60 Trailer Air Brake w Emerg Air Brake exc Tilt 2471211 1 SEAL 0 ring valve plunger Midland N 1 1728 HM 67 69 Ser 60 Conv TDM w Trailer Air Brake 70 72 Ser 50 60 Conv TDM w Trailer Air Brakes 2496077 1 SEAL control valve body end cap Midland N 11728 BR I 67 72 Ser 50 60 w Trailer Air Brake exc Tilt 2496091 1 SEAL trailer air brake emerg control valve cover Bendix 243636 67 Ser 60 exc Tilt 2496418 1 SEAL trailer air brake relay valve Bendix H 243849 tii GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 72TM REV 5 79 4 263 4 878 4 878