I've learned, from my Indy shop, that I need a part seemingly unavailable new.

Specifically, the valve regulates oil flow to the oil cooler in my 1982 300SD. Roy / PeachParts recommends that MB stopped manufacturing it in 1985, and my best resource is salvage or this community. I'm looking for PN 6151840032..

I'm quite interested to find a solution as soon as possible.

Any ideas!

6151840032 this came up listed as a Valve Seat with an MSRP of $4 from the Mercedes Dealer. The source I looked at did not say if it was something that they stocked.

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84 300D, 82 Volvo 244Gl Diesel

Is part# 80 the part you are looking for?

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84 300D, 82 Volvo 244Gl Diesel

There is a thermostat in the housing that opens and closes with oil temp.
Maybe that is what they were refering to? Looks like #86 in Diesel911 picture.


Could be the thermostat opens and pushes against the spring and other parts and opens the valve. think it`s a plastic piece.


Charlie

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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

We are advised to NOT judge ALL Muslims by the actions of a few lunatics, but we are encouraged to judge ALL gun owners by the actions of a few lunatics. Funny how that works

911,

Yes, that's the part I'm searching for..Got one?

Charlie, I'm not sure if it's plastic or metal, but I'll ask my indy.

Bill

I have one but I am keeping it. I have access to another one, still on the parts car.

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85 300D turbo pristine w 157k when purchased 167,870 July 2025
83 300 D turbo 297K runs great. SOLD!
83 240D 4 spd manual- parted out then junked

If you determine to pull the other one, let me know! I am in need. I hate the thought of loosing access to this great 304,000 mile vehicle due to a $4 parts failure.