After a few trouble-free years my w123 300td sls system finally gave up the ghost..
The pump seems to be moving sauce through the return line and I cannot locate a leak yet. The valve linkage fell off into my hand but operating it manually gives no response. (Strange because it was working days ago)

Is this part (called 'valve' in the catalog) actually the height control linkage?
123-320-14-89 mbz

Where is the current best place to get the valve rebuild o-rings ??

And the seals to rebuild the pump ?

Also, what is the correct part number for the wagon rear springs?

Searching the archives I can't find much up to date info...

Thanks for any help

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Peugeot PX-10 fixed gear
Public Transportation