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ML shocks, what's the difference between 163-320-24-13 and 163-320-23-13??

5948 Views 11 Replies 4 Participants Last post by  kar don
Looking at new Shocks for my 99 ML, whats the difference between 163-320-23-13 AND 163-320-24-13? I know the later chassis code vehicles call for the 163-320-23-13 but what is the difference between the two?

Different shock valving?
Different spring rate?
Different ride height?

The front shocks are also different by 1 number for the respective chassis codes. Would like to know the difference.

163-326-11-00 and 163-326-12-00 (called out for my 99)
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I'm looking to improve the ride quality to that of a newer 2002+ ML as those ride signifcantly smoother.

I honestly think nobody on here knows the answer. I have a few resources I am tapping to try and get an answer... confident we should get one.
thanks bocabenz, so should i just get the one called out for my 99 then?
ok so the rear shock mystery has been solved now thanks to DETANE but what about the front shocks? Those also are different. Did those mounts change as well in 02? 163-326-11-00 vs 163-326-12-00

Also what was the purpose of changing the mount? Hmmmm.
I can get the MB shocks for a decent price... hate to mix match monroe and OEM rears.
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