67 Ser 50 60 Conv SBC Gas exc 18 500 lb axle A O H B 68 Ser 50 60 Conv Gas exc 18 500 lb axle 3910217 1 5 80 BODY valve Midland 200584 A 68 Ser 40 thru 60 w Dual Brakes exc TDM uv Diesel Frame Mounted Brake Booster 3933879 1 7 85 BODY valve Midland 200793 A 69 Ser 60 TDM 3918753 1 7 05 BODY valve w seal Bendix 2506043 67 Ser 40 Conv w Brake Booster 67 Ser 40 SBC w Brake Booster 67 Ser 50 60 Conv SBC Gas exc 18 500 Ib axle A O H B 68 Ser 40 Conv w Brake Booster 68 Ser 50 60 Conv Gas exc 18 500 Ib axle 8874571 1 16 RETAINER push rod Midland 600805 G 68 Ser 40 thru 60 w Dual Brakes exc TDM Diesel Frame Mounted Brake Booster 3931677 1 25 RETAINER push rod Midland 600805 H 60 62 Ser 50 60 w H D Brake Booster 60 61 Ser 70 exc TDM 3774496 1 30 RING piston retarder valve retaining Midland N 15200 N 67 68 Ser 40 thru 60 Gas w Brake Booster exc A O H B 18 500 Ib axle D D Tilt TDM Frame Mounted Brake Booster 68 Ser 40 thru 60 SBC 8874558 1 17 RING valve seat retainer Midland N 15200 W 67 68 Ser 40 Conv w Brake Booster 67 Ser 40 SBC w Brake Booster 67 Ser 50 60 Conv SBC Gas exc 18 500 Ib axle A O H B 68 Ser 50 60 Conv Gas exc 18 500 Ib axle 3910218 1 2 20 ROD ASSY valve Midland 102009 68 Ser 40 thru 60 w Dual Brakes exc TDM Diesel Frame Mounted Brake Booster 3931663 1 2 40 ROD ASSY cyl valve Midland 102009 L 60 62 Ser 50 60 w H D Brake Booster 60 61 Ser 70 exc SBC 64 65 All w Emerg Air Brake exc 4 cyc Diesel 65 66 Ser 60 80 4 cyc Diesel exc TDM 66 Ser 60 w Emerg Air Brake exc TDM Tilt Diesel 67 Ser 40 w Brake Booster exc Tilt D D 67 Ser 50 60 Conv SBC Gas exc A 0 H B 18 500 lb axle 67 Ser 60 Tilt Diesel w Emerg Air Brake 68 Ser 40 Conv w Brake Booster 68 Ser 50 60 Conv Gas exc 18 500 lb axle 68 Ser 40 thru 60 SBC 2402029 1 23 SEAL O ring piston retarder valve stop seal V2 x Vis Midland N 1 1728 AS 4 008 67 70 Ser 60 Conv TDM w Trailer Air Brake A 69 70 Ser 50 w Trailer Air Brake exc Tilt 2426072 1 54 SEAL 0 ring control valve plunger grommet V2 x V Bendix 242952 1 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATION P A 31S 4 918 4 918 4 320 REV 6 71