56 57 Ser 9 10 w 18 000 Ib axle 57 Ser 5 6 7 8 9 10 w 16 OOO lb axle A 62 All w I Beam axles 3822243 A R 3 90 l8 ext 24 int 24V O L 56 57 Ser 7 8 9 10 58 59 All exc TDM 3748880 1 3 55 18 ext Vi 24 int 9 Vu O L Note 1 57 59 Ser 6A 6B 6C 6J 6K w Hvy Duty Frt Spring 57 59 Ser 6D 6V 6E 57 59 Ser 5 3748879 2 3 55 18 ext Vi 20 int 19 O L 58 59 Ser 4 5 6 exc 6D 6V 6E H D front axle 3910729 2 5 51 1 8 ext Vi 24 int 18 V 4 O L 60 62 Ser 50 thru 80 exc I Beam axles 3771537 2 3 97 Vi 20 ext Vi 24 int 145 4 0 L 60 62 Ser 40 3910704 2 5 38 Via 20 ext Vi 24 int 12 0 L 60 62 TDM 63 65 Ser 50 w Brake Booster 66 Ser 50 w Brake Booster exc D D Tilt 4 cyc Diesel 66 Ser 60 exc TDM Tilt 4 cyc Diesel 3766274 1 3 68 Via 24 int both ends 7V8 0 L Note 1 63 66 All w 7 000 lb axle exc Tilt 67 Ser 40 thru 60 exc 9 11 000 Ib axle D D Tilt 68 69 SBC 2nd design exc 7 000 Ib axle 68 69 Ser 40 exc Tilt D D SBC 68 69 Ser 50 60 exc Tilt Cowl 9 11 000 lb axle 68 Ser 60 Cowl lst design 70 Ser 40 Conv SBC I 70 Ser 50 TDM 70 Ser 50 Conv SBC exc 7 000 Ib axle Air Brakes 70 Ser 60 Conv TDM exc 9 000 11 000 Ib axle 3910728 2 6 30 Vit 20 ext Vi 24 int 23Vz 0 L 63 66 All exc 7 000 Ib axle Tilt 63 69 Tilt 67 70 D D 3932098 2 11 25 Viii 20 ext Vi 24 int 23V 0 L 65 Ser 80 TDM 4 cyc Diesel w 11 000 Ib axle 65 Ser 60 80 4 cyc Diesel exc TDM Tilt Air Brake 66 Ser 60 4 cyc Diesel exc Tilt TDM 2405641 2 10 68 Vili 20 ext Vi 24 int 23Vz 0 L 65 66 Ser 50 4 cyc Diesel exc Tilt 758884 1 2 75 Vila 20 ext Vi 24 int 10 O L Note 1 67 69 All P S w 9 11 000 lb axle exc Tilt right 67 69 All w 9 000 1 1 000 lb axle exc Tilt D D P S 68 SBC 1st design 70 Ser 60 Conv TDM w 9 11 000 Ib frt axle exc Air Brakes P S 3910714A R 7 50 left or rlght Vu 20 ext Vi 24 int 26 O L 68 Ser 50 60 w 7 000 lb axle 2nd design exc TDM Tilt 69 Ser 50 60 w 7 000 lb axle exc TDM Tilt 3935346 2 6 65 Via 20 ext Vi 24 int 25 0 L Note 1 NOTE 1 On Ser 60 SBC equip with P S this part used on R H side only 67 69 Ser 60 P S w 9 1 1 000 Ib axle exc Tilt SBC 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATION P A 31S REV 6 71 al 201 4 680 4 680