FRAME SPRINGS BUMPER 7 529 BOLT NUT PIN RETAINER WASHER Rear Spring Shackle Con t 67 70 Ser 50 w 20 800 23 000 lb rr spring 67 70 Ser 60 exc TDM 68 69 Ser 50 4 cyc Diesel vv 17 000 lb rr axle 3 71 72 Ser 50 60 20 800 23 000 lb springs w 17 000 18 500 Ib axle Air Brakes exc TDM 3858674 4 PIN rear spring rebound i 65 Ser 80 TDM 4 cyc Diesel 2017017 2 PIN rear spring front 60 66 Ser 40 thru 80 exc TDM 67 70 Ser 40 thru 6 0 71 72 Ser 40 thru 60 exc TDM 3831275 4 RETAINER rebound pin 4 x az 65 66 Ser 60 80 A 67 69 Ser 50 w 20 800 23 000 rr V spring 67 70 Ser 60 exc TDM 68 69 Ser 50 4 cyc Diesel w 17 000 Ib rr axle 70 Ser 50 71 72 Ser 50 60 exc TDM 3867199 2 WASHER hard 1 u I D x l m 0 D thk 71 72 Ser 60 Tilt 2436170 2 WASHER 1 x 2 x 4 7 535 BUMPER Rear Spring 48 55 Utility 55 59 Ser 5 w H D 55 59 Ser 6 w H D 2nd Ser exc SBC 60 66 Ser 50 thru 80 exc TDM 4 cyc Diesel 65 66 Ser 60 80 4 cyc Diesel exc TDM H D susp 67 Ser 50 exc 15 000 lb rr axle aux spring Tilt 67 70 Ser 60 exc 17 000 Ib rr axle air brake Tilt 67 70 Ser 50 60 Tilt exc 15 000 17 000 Ib rr axle air brake 67 70 Ser 40 w 15 000 17 500 Ib I J rr spring 68 69 Ser 50 60 71 72 Ser 40 50 Conv SBC 13 8 500 lb Sgl Spd axle w 15 000 17 500 Ib rear spring 71 72 Ser 50 60 Tilt w 18 500 lb l rr axle 23 000 lb 2 Spd rear axle 427 3765908 2 2 studs 5 0 L 55 59 Ser 4 5 6 56 59 Ser 7 8 9 10 exc TDM 55 59 All exc TDM 60 62 Ser 40 63 64 Ser 50 exc 2 Spd aux spring left and right 64 66 Ser 80 w 23 000 lb axle exc TDM 66 70 Ser 50 60 w 15 000 17 000 lb axle exc TDM LCF 67 69 Ser 40 exc H D Aux Spring 13 500 lb rr axle 70 72 Ser 40 Conv SBC 71 72 Ser 50 60 w H D axles exc Tilt 3700034 2 left 1 4 x 2 x 5 7 560 BEAM ASSY BOLT TUBE Tandem Suspension Beam 60 70 TDM 71 72 Ser 60 TDM 2383874 2 60 70 TDM w 39 000 Ib rr H D Sgl Spd axle 71 72 Ser 60 TDM exc 39 000 Ib rr spring 34 000 lb rr Sgl Spd axle 2366097 8 BOLT top pad and saddle 1 14 x 8 63 66 Ser 60 TDM exc Diesel J 67 70 Ser 50 TDM 3839866 8 BOLT top padand saddle 1 14 x 7 GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 72TM 7 529 7 560 7 44 REV 5 79 8