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Old 11-05-2014, 09:32 PM
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Join Date: Nov 2013
Location: Honolulu
Posts: 47
UCA ball-joint not available?

For a 1983 300SD, anyone know if the upper-control-arm ball-joint is sold separately? Can't seem to find one on various parts sites - only the whole arm...rubber looks fine on all my bushings, so I'd like to replace only one side with a new ball-joint if possible.

Thanks - Dave
'83 300SD - daily driver
'97 Dodge Cummins
'60 & '64 Minis
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Old 11-05-2014, 10:09 PM
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Join Date: May 2007
Location: Out in the Boonies of Hot, Dry, Dusty, Windy Nevada
Posts: 9,585
The Ball Joint is not replaceable. You buy the whole Control Arm as a unit.

The W116, W123 and W123 are all made that way.

there were three HP ratings on the OM616...

1) Not much power
2) Even less power
3) Not nearly enough power!! 240D w/auto

Anyone that thinks a 240D is slow drives too fast.

80 240D Naturally Exasperated, 4-Spd 388k DD 150mph spedo 3:58 Diff

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Old 11-05-2014, 11:18 PM
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1979 & 1985 300D's
Join Date: Oct 2012
Location: Tucson, AZ
Posts: 1,097
If you look around you can find new old stock arms on eBay that do NOT come with the pair of rubber bushings. Supposes then you could re-use your bushings. But Lemforder control arm assemblies are inexpensive enough to consider just getting the new unit plus bushings.
1979 300D 040 Black on Black - 1985 300D Maaco job (sadly sprayed over 199 Black Pearl Metallic) on Palamino

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Visit the W123 page on iFixit for over 70 helpful DIY guides!
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Old 11-06-2014, 12:57 AM
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Not so amused
Join Date: Apr 2010
Location: West Quebec
Posts: 4,025
What is the issue with the balljoints? If it's just torn boots, you can probably get boot kits from the dealer (they exist for the w123, that much I know for certain).

That's the good news. The bad news is that they will run you about 2/3 the price of the new complete arm assembly (Lemforder).

2002 e320 4matic estate│1985 300d│1980 300td
Previous: 1979 & 1982 & 1983 300sd │ 1982 240d

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