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Old 11-18-2006, 02:05 PM
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Join Date: Jul 2006
Location: MIll Valley, CA
Posts: 105
1987 300DT (TDT?) - Rear accumulators - Need part numbers

My recently purchased 1987 300TD (TDT or DTD ??) wagon is VERY BOUNCY in the from reading here on the Forum, it looks like I need to replace my accumulators.

I have some questions.

Is there any other possible cause of BOUNCY REAR that I should be checking before I start this job?

Are these accumulators the same for all 124 wagons or does the diesel have different part number.

Want to use OEM. What are the OEM make/brand?
Need the part numbers.
Are they different right and left or same one?

I see some accumulator sets on ebay for around $150 per set but they all seem to start with the part number "123". Are the accumulators for the 124 interchangeable with any other years.

What did you pay for your set?

What else should I be checking for replacement while I'm at this job.

Warren C.

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Old 11-18-2006, 10:23 PM
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Join Date: Sep 2004
Posts: 9,087
Thumbs up


is what I found...
I'm not a doctor, but I'll have a look.

'85 300SD 245k
'87 300SDL 251k
'90 300SEL 326k

Six others from BMW, GM, and Ford.

Liberty will not descend to a people; a people must raise themselves to liberty.
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Old 11-19-2006, 09:13 AM
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Join Date: Oct 2005
Location: Olivet MI
Posts: 225
The W123 and W124 spheres are not the same.
My W201 takes 123 spheres and (unfortunately) the non-rebuildable 124 control valve.
Phil (sponsor here) and Rusty (sponsor elsewhere) have them. I've had mechanics tell me that the ones from the dealer ($$$) last longer than the replacements from Febi or Freudenberg. Looks like Phil has Freudenberg for $117 each, you might want to call him and see if that's his best price. I bought a set from Rusty last summer but haven't mounted them yet, plan on buying more in five years. Not much worse than buying Bilstein shocks every five years, and the control valve lasts practically forever if you don't let the spheres go flat.

'79 300SD W116
'86 190E 2.3-16V W201
'92 300D 2.5 W124
'99 E320 4MATIC S210
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