I'm not sure. I asked parts of there was a gasket for the pump and he told me that there is one that also comes with 2 o rings. I did it over the phone so I didn't have a picture to look at.

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85 300TDT 456,000 orig. miles

Which pump are you referring too, your 123 diesel benz has several; power steering, injection, vacuum, etc,

Good luck,

The self leveling system.

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85 300TDT 456,000 orig. miles