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  #1  
Old 11-28-2009, 08:07 PM
ROLLGUY's Avatar
ROLLGUY
 
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123 vs 126 vs 116 axle shaft interchange

I would like to know if the axles on a 123, 116, and 126 are the same. I suspect that the 116 and 126 may be the same, but maybe not the 123. I have been seeing newish axles on some cars at the wrecking yards lately (mostly on 126's) and have been tempted to pull them. Not knowing if they will interchange, I left them alone. Thanks in advance for your input.....Rich
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Old 11-29-2009, 12:30 PM
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The 123 shafts are shorter than the 116. You can tell the difference in length as the longer ones have 3 raised rings cast in the center of the shaft. Don't know about the 126- but I would guess they are also longer than the 123s. Hope this helps.
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  #3  
Old 11-29-2009, 12:38 PM
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I believe the 123 126 are interchangible. Check for parts numbers on our parts vendors here.
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Old 11-29-2009, 01:00 PM
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I seem to have read the 126 is wider in the wheel track and the 123/126 axles won`t swap back and forth.

check the part# in the buy tab above. they should be different.

the Differentials will swap back and forth, up to the 85 126.

Since the Clunker progran, there are a lot of good axles and other 126 parts showing up at the yards. act fast, they only keep them about a month.

Charlie
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Old 11-29-2009, 04:29 PM
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Quote:
Originally Posted by charmalu View Post

Since the Clunker progran, there are a lot of good axles and other 126 parts showing up at the yards. act fast, they only keep them about a month.

Charlie
That is why I am asking. There are lots of 126's at my local self serve auto wrecker, so the axle pick'ns are pretty good.
I still need to know if the 116 and 126 will interchange. I don't want to remove one from each car to compare. There isn't too many 123's in the yard, but at least a dozen 126's. I have a 116, so I would like to get an extra axle for it if a 126 one will fit.
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  #6  
Old 11-29-2009, 05:01 PM
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Location: Central California
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Quote:
Originally Posted by ROLLGUY View Post
....
I still need to know if the 116 and 126 will interchange. .....

This says yes, same part number. They will interchange with your 300SD.


1979 300SD

1985 380SE

1991 420SEL



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