66 Ser 50 exc 4 cyc Diesel 66 Ser 60 exc TDM 67 69 Ser 40 D D Tilt A w Brake Booster 67 68 Ser 50 Conv Diesel exc A O H B H D Brake Booster 67 68 Ser 50 Tilt exc H D Brake Booster 68 Ser 40 thru 60 SBC w Frame Mounted Brake Booster 2493274 1 15 SPRING valve diaphragm Midland 600399 AW 68 Ser 40 thru 60 SBC w Frame Mounted Brake Booster 2263788 1 1 35 SPRING cyl relay valve diaphragm Midland N 10174 60 62 Ser 50 60 w H D Brake Booster 60 61 Ser 70 exc TDM 2402016 1 1 05 VALVE relay piston inlet Midland 100467 60 62 TDM 60 62 Ser 80 65 Ser 80 TDM 4 cyc Diesel 3774503 1 3 60 VALVE relay piston inlet Midland 100377 66 Ser 50 Tilt 4 cyc Diesel 66 Ser 50 exc 4 cyc Diesel 66 Ser 60 exc TDM 67 69 Ser 40 Tilt D D w Brake Booster 67 68 Ser 50 exc H D Brake Booster 67 68 Ser 60 TDM exc A O H B 68 Ser 40 thru 60 SBC w Frame Mounted Brake Booster 2493264 1 33 VALVE relay Midland 101832 A 4 936 COVER Vacuum Brake to Air Cleaner 8 60 62 Ser 50 60 w H D Brake Booster 60 61 Ser 70 exc TDM 3772416 1 1 45 Wu dia w 4 dia holes Midland 13560 A cast 13560 63 65 Ser 50 60 3830323 1 55 relay valve Bendix 2501493 1 dia 63 65 Ser 60 TDM exc Diesel 63 65 Ser 80 exc TDM 3830393 1 45 relay valve Bendix 202243 stamped 32 63 65 Ser 80 TDM Diesel 65 Ser 60 TDM Diesel 3830392 1 40 relay valve Bendix 2502245 stamped 45 65 Ser 50 w Brake Booster P B 65 Ser 60 exc TDM Tilt 65 Ser 60 Tilt exc 2 cyc Diesel 66 Ser 50 60 exc 4 cyc Diesel 66 Ser 50 Tilt 4 cyc Diesel 66 Ser 60 TDM 4 cyc Diesel 66 Ser 60 exc Diesel 67 70 Ser 50 TDM exc A O H B 67 70 Ser 60 Conv Tilt w 18 500 lb axle exc A O H B 69 70 Ser 40 thru 60 Conv w Dual Brakes 2484897 1 32 valve Bendix 1503212 2 dia 4 940 BODY COVER GASKET POPPET SCREW SPACER TUBE Vacuum Power Brake Cylinder Relay Vanlve 60 62 TDM Q 60 62 Ser 80 3775322 1 14 25 Midland 300053 A 63 66 Ser 50 w Brake Booster 63 65 Ser 60 exc TDM Air Brake t 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPOFlATlON P A 31S T REV 6 71 4 339 4 935 4 940