66 Ser 60 TDM exc Die sel 66 Ser 80 exc TDM Diesel A 67 70 Ser 50 TDM exc A O H B Dual Brakes 67 70 Ser 60 Conv Tilt w 18 500 Ib axle exc A O H B 69 70 Ser TDM exc Air Brk 3890055 1 1 55 seal Bendix 2503133 63 70 All 3830321 1 25 PLATE relay valve diaphragm Bendix 2501495 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 Conv exc H D Brake Booster A O H B 67 68 Ser 50 Tilt 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 2493253 1 14 RING snap relay valve cover Midland C 13048 B 60 62 Ser 50 60 w H D Brake Booster 60 61 Ser 70 exc TDM 2400875 1 19 SPRING relay valve seat Midland C 13563 H 60 62 TDM 60 62 Ser 80 65 Ser 80 TDM 4 cyc Diesel 3775308 1 20 SPRING relay valve seat Midland C 11496 A 60 62 Ser 40 thru 60 exc H D Brake Booster 3786248 1 15 SPRING valve poppet inner Bendix 379932 60 62 Ser 40 thru 60 exc H D A Brake Booster 3786246 1 15 SPRING valve poppet outer Bendix 379648 60 62 Ser 40 thru 60 exc H D Brake Booster 3785010 1 25 SPRING relay valve Bendix 377695 63 65 Ser 50 60 exc H D Brake Booster 66 Ser 60 80 w H D Brake Booster 67 69 Ser 50 w H D Brake Booster 67 69 Ser 50 TDM exc A O H B Dual Brakes 67 69 Ser 60 w 18 500 Ib axle 3830387 1 25 SPRING valve poppet outer Bendix 2501478 63 65 Ser 60 w H D Brake Booster 66 Ser 50 w Brake Booster 67 69 Ser 40 Tilt D D 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 3830349 1 25 SPRING valve poppet outer Bendix 2501246 63 70 All 3830332 1 20 SPRING valve poppet inner Bendix 2501230 63 65 Ser 60 63 65 Ser 80 exc 2 cyc Diesel 69 70 Ser 40 thru 60 w Dual Brakes 3830386 1 353 SPRING valve poppet outer Bendix 2502099 66 Ser 50 Tilt 4 cyc Diesel 66 Ser 50 exc 4 cyc Diesel 66 Ser 60 exc 1 DM A 67 69 Ser 40 Tilt D D w Brake Booster 67 68 Ser 50 Conv exc H D Brake Booster A O H B 1971 CHEVROLET MOTOR DIVISION GENEFIAL MOTORS CORPORATlON P A 31S REV 6 71 4 341 4 942 4 942