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Transverse Control Arm Lower OEM Material w220 s500

687 views 3 replies 3 participants last post by  Dave2302 
#1 ·
Hello,
I am curious what is the original OEM Material used for this control arm? Steel or aluminium? As i see all the replacements are steel and my original control arms looks like aluminium?



Best regards,
Peter
 
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#4 ·
Hi,

Those arms support the weight of the car as well as controlling hub carrier transverse movement, they should be cast steel. The ones that are forward of them are cast aluminium and only control transverse and lateral hub carrier movement.

HTH,

Dave
 
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