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Old 05-17-2018, 12:48 PM
Fulcrum525's Avatar
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W126 Upper control arm size

Looking for some clarification on something. Can someone measure the top section of their upper control arms? I installed a new Karlyn part yesterday and had to grind it down quite a bit in order to get it to fit. My the replaced part (original Mercedes) came out to 80mm and the new part said 84mm. I contacted Karlyn and they said that their part is to spec. This doesn't make much sense seeing the size difference and what I had to do to get it to fit. Or is this yet another "this only ever happens to me situation".....
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Old 05-17-2018, 12:50 PM
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What year and model are we talking about? It's possible there's some sort of model or production year break.
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Old 05-17-2018, 12:52 PM
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1991 350SDL. Ordered from here using their input system.
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Old 05-17-2018, 02:21 PM
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Quote:
Originally Posted by Fulcrum525 View Post
Looking for some clarification on something. Can someone measure the top section of their upper control arms? I installed a new Karlyn part yesterday and had to grind it down quite a bit in order to get it to fit. My the replaced part (original Mercedes) came out to 80mm and the new part said 84mm. I contacted Karlyn and they said that their part is to spec. This doesn't make much sense seeing the size difference and what I had to do to get it to fit. Or is this yet another "this only ever happens to me situation".....
Consider adding a picture of the part in question to this thread. Adjacent to the part place a scale so that the location on the part of the "80mm/84mm" dimension can be determined. Why? Because there are many dimensions to all parts.
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Old 05-18-2018, 08:16 AM
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Sorry I had these pictures yesterday but wasn't able to upload them.

Reference with Karlyn part number for drivers side (It matched the passenger side for width)



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