63 Ser 10 4 WD 1st Ser 3896884 1 5 10 right 60 64 Ser 20 exc 3 Spd H D 4 Spd D D 4 WD 3760201 1 6 10 left 60 66 Ser 30 68 70 Ser 30 D D w Prop Shaft Park Brake 3856828 2 9 40 Note 2 NOTE 2 On models prior to 1965 3856834 anchor pin must also be used 63 Ser 10 3859655 1 7 05 left bolted center Note 3 63 Ser 10 3859656 1 7 05 right bolted center Note 3 NOTE 3 Use with differential carrier 3847754 on Ser 10 exc 4 WD and 3847755 on Ser 10 D D for 1963 models only 64 66 4 WD 64 66 Ser 10 exc leaf type springs 67 70 Ser 10 G 20 Blazer 3984867 1 5 95 left 64 66 4 WD 64 66 Ser 10 exc leaf type springs 67 70 Ser 10 G 20 Blazer 3840930 1 5 95 right 64 G 10 w 3 36 4 11 ratio 65 70 G 10 3839421 1 5 10 left 64 G 10 w 3 36 4 11 ratio 65 70 G 10 L 3996126 1 5 05 right 64 G 10 exc 3 36 ratio 3853837 1 left 64 G 10 exc 3 36 ratio 3853838 1 5 60 right 65 66 Ser 20 exc D D 4 WD leaf type springs 67 69 Ser 20 exc 4 WD leaf type springs 70 Ser 20 exc 4 WD 3857067 1 6 10 left 65 66 Ser 20 exc D D 4 WD leaf type springs 67 69 Ser 20 exc 4 WD leaf type springs 70 Ser 20 exc 4 WD 3985800 1 6 05 right 65 66 Ser 10 w leaf type springs exc 4 WD 5465066 1 9 50 left 65 66 Ser 10 w leaf type springs exc 4 WD 5465067 1 9 50 right 65 67 Ser 20 w leaf spring exc 4 WD 68 69 Ser 20 w Dana Axle 5465068 1 16 15 left 65 67 Ser 20 w leaf spring exc 4 WD 68 69 Ser 20 w Dana Axle 5465069 1 16 15 right 67 68 Ser 30 exc 11 000 Ib axle Prop Shaft Park Brake 69 Ser 30 exc Prop Shaft Park Brake 70 Ser 30 exc D D 70 Ser 30 D D exc prop shaft parking brk dual wheels 3898049 1 8 75 left 67 68 Ser 30 exc 1 1 000 Ib axle Prop Shaft Park Brake 69 Ser 30 exc Prop Shaft Park Brake 70 Ser 30 exc D D 70 Ser 30 D D exc Prop shaft parking brk dual wheels 3898050 1 8 75 right 67 Ser 30 157 W B w 11 000 Ib axle exc D D 67 Ser 30 D D w 1 1 000 lb axle exc 8 cyl 68 70 Ser 30 w 1 1 000 lb axle 3901219 1 16 95 left 67 Ser 30 157 W B w 11 000 lb axle exc D D 67 Ser 30 D D w 1 1 000 lb axle exc 8 cyl 68 70 Ser 30 w 1 1 000 lb axle 3901220 1 16 95 right 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATION P A 31 5 001 5 001 5 2 REV 6 71