67 69 Ser 60 Tilt 70 Ser 50 60 Tilt w Air Brake 8 cyl 2311304A R 13 SHIM piston Vis 0 D Midland 4 X 2174 60 62 All 63 Tilt 64 66 All 67 69 Ser 60 Tilt wr 70 Ser 50 60 Tilt w Air Brake 8 cyl 2390251 A R 21 SHIM piston 1 4 0 0 Midland 4 X 2455 60 66 All w Air Brake 67 69 Ser 60 Tilt w Air Brake 70 Ser 50 60 Tilt w Air Brakes 8 cyl 2381279 1 3 60 SPRING piston Midland N 1936 D 60 66 All w Air Brake 67 69 Ser 60 Tilt 70 Ser 50 60 Tilt w Air Brakes 8 cyl 2389842 1 80 SPRING inlet valve release Midland N 11312 A 60 66 All w Air Brake 67 69 Ser 60 Tilt 70 Ser 50 60 Tilt w Air Brakes 8 cyl 2396972 1 25 SPRING inlet valve return 6 coils cone shape Midland N 11162 C 67 Ser 60 exc Tilt Emerg Air Brake 68 69 Ser 60 exc Tilt SBC Emerg Air Brake 69 Ser 50 w Air Brake exc Tilt SBC 70 Ser 50 60 w Air Brakes exc Emerg Air Brakes Tilt 2487482 1 43 SPRING discharge valve Midland 600460 67 68 Ser 60 w Emerg Air Brake exc Tilt 9034641 1 40 SPRING control valve lower Bendix 244449 67 68 Ser 60 w Emerg Air Brake exc Tilt 9034632 1 55 SPRING control valve upper Bendix 244437 67 68 Ser 60 w Emerg Air Brake exc Tilt 9034645 1 60 SPRING control valve piston return Bendix 244453 67 68 Ser 60 w Emerg Air Brake exc Tilt 9034637 1 20 SPRING control valve relay piston return Bendix 244444 69 70 Ser 50 60 w Emerg Air Brake exc Tilt 2467635 2 18 SPRING air brake control valve Wagner AC 37448 Note 2 NOTE 2 1 used as inlet valve return spring 1 used as exhaust check valve spring 69 70 Ser 50 60 w Emerg Air Brake exc Tilt 3958050 1 60 SPRING piston Wagner AC 45267 69 70 Ser 50 60 w Emerg Air Brake exc Tilt 3958059 1 70 SPRING piston return Wagner AC 39876 60 62 Tilt 8 cyl 63 66 Tilt 67 69 Ser 60 Tilt w Air Brake 69 Ser 50 Tilt w Air Brake 70 Ser 50 60 Tilt w Air Brakes 8 cyl 2389026 1 22 60 SUPPORT control valve 67 68 Ser 60 w Emerg Air Brake exc Tilt 9029577 1 20 WASHER Coht valve piston spring Bendix 239713 67 68 Ser 60 w Emerg Air Brake exc Tilt 9034633 1 25 WASHER control valve upper spring Bendix 244438 4 641 VALVE BODY BRACKET BUTTON CAP CLlP COVER DIAPHRAGM GROMMET LEVER NUT PIN PlSTON PLUNGER RlNG SEAL SPR NG SUPPORT TUBE ASSY WASHER Air Brake Park Emergency or Pressure Protect 67 70 Ser 60 Tilt w Emerg Air Brake 3859653 1 21 75 emerg brake control Bendix West 276538 64 66 All w Emerg Air Brake 67 70 Ser 60 Tilt w Emerg Air Brake 2426068 1 2 85 emerg cont inlet and exhaust Bendix West 240479 64 66 Ser 60 B0 66 Ser 60 4 cyc Diesel w Emerg Air Brake exc TDM 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATl0N P A 315 4 640 4 641 4 174 REV 6 71