FRAME SPR NGS BUMPER 50 60 65 7 518 SHlM REAR SPRING ALSO SEE RPO N0 G H J 15 0610 C0n t 2 3763354 TE6230 6250 6270 6290 TG6Z30 6250 TM6230 6250 3763354 2 I Wide 6 Lg 165 to 272 Thk w Hyd Brakes H150 H170 Axle 7 518 SPACER AUXILIARY SPRING 15 0620 2 2 683473 CE CG CM CS TE TM 683473 Between Main Aux Springs 2 R Wide x 5 76 Long 1 38 Thk at One End Tapered Used w 683474 Aux Leaf 1973 4 1975 1st Design 2 2 2 648672 CE CG CM CS TE TG TM 648672 Between Main Aux 3 In Wide 5 60 Lg 1 z Thk w One M Dia H0le Use w Aux Leaf 660130 1973 4 1975 1st Design 2 2 712702 CD CE CS CY TE 712702 Between Main Aux 3 In Wide 8 44 Lg 1 Thk Used w 660130 Aux Leaf Eff w 1975 2nd Design 2 2 2 713222 CD CE CS TE 713222 Between Main Aux Spring 2 2 Wide x 7 68 Lcng 1 28 Thk Use w 683474 Aux Leaf Eff w 1975 2nd Design 2 2 2003673 CD CE CS Between Main Aux 3 In Wide 5 Lg 360 Thk w One it Dia HOIe Use w 4 Leaf Aux Spring 7 518 SPACER REAR SPRING 15 0650 2 656966 TE TG TM 656966 3 x 6 60 x 76 Thk H170 Axle 2 2 656966 TG6120 6180 6200 TE TM650O 656966 3 x 6 60 x 76 Thk w Air Brakes on 60 M0deIs H170 T170 Axle 2 2 2494569 TG6230 6250 TE TM6500 2494569 3 x 6 32 Tapered 72 to 1 13 Thk w Air Brake T170 Axle 7 518 SPACER REAR SPRING U BOLT ALSO SEE RPO N0 G H 15 0670 2 712336 CE CS 712336 3 06 x 8 44 x 73 Thk 17121 17221 18121 18221 19201Axle Effw 1975 Znd Design 2 2 2006472 CD CE CS 2006472 2 98 x 7 80 x 73 Thk H170 T170 AxIe Eff w 1975 2nd Design RepI 712376 2 712666 CE CS 712666 2 56 x 6 94 x 73 Thk H1 10 Axle Eff w 1975 2nd Design 2 712668 CD CE CS 712668 2 56 x 7 68 Long x 73 Thk H135 H150 AxIe Eff w 1975 2nd Design 2 2 3818319 CE CG CM CS 2 36 x 3 x Thk w 1 Hole in Ctr W 2 Wide Sprg 1973 4 1975 1st Design 2 3769041 CE CG CM CS W 3 In Wide Sprg 1973 4 1975 1st Design 2 3769041 CE CM 2 88 x 3 x Thk w 1 Hole in Ctr W 3 In Wide Sprg 1973 4 1975 lst Design 2 2 2235233 TE TG TM 2235233 5 z Long x 2 98 Wide W 17121 17221 18121 19201Axle 1973 4 19751st Design 2 3827598 CE 3827598 2 94 Wide x 5 L0ng 19201 Axle 1973 4 1975 1st Design 2 2006472 SE 2006472 2 98 x 7 80 Long x 73 Thk Rep 712376 H170 T170 Axle Eff w 1975 2nd Design 2 712668 SE SS 712668 2 56 x 7 68 Long x 73 Thk H15O AxIe Eff w 1975 2nd Design 2 3818319 SE SG SM SS 2 36 x 3 x Thk w 1 92 Dia Hole in Ctr SteeI H15O Ax e 1973 4 1975 1st Design 2 3769041 SE SG SM SS 2 88 x 3 x I Thk w 1 92 Dia Hole in Ctr Stee W 3 In pring H l70 T170 AxIe 1973 4 1975 lst Design 2 712336 TE 712336 3 06 x 8 44 x 73 Thk 17121 17221 19201 Axle Eff w 1975 2nd Design 2 2 2006472 TE 2006472 2 98 x 7 80 Lung x 73 Thk H170 T170 AxIe Eff w 1975 2nd Design Rep 712376 2 712668 TE 712668 2 56 x 7 68 Long x 73 Thk H170 Axle Eff w 1975 2nd Design 2 3818319 TE TG TM 2 36 x 3 x 5 Thk w 1 Hale in Ctr H15O Ax e 1973 4 1975 Ist Design 2 2 3769041 TE TG TM 2 88 x 3 x V Thk w 1 Hole in Ctr H170 T170 Axle 1973 4 1975 lst Design WAFlEHOUS NG AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION 78TM N S reference only Added this issue 7 23 7 518 7 518 AR PART