The picture in post 10 is the Pierburg made in Germany pump, same one I put in my car. Right now on eBay there are a couple of the Chinese pumps being offered, they look IDENTICAL to the German pump except for the label. They look good... but who knows? There is also currently an auction for a German pump brand new by a private party. It may be worth watching. (I have no affiliation with any of these sources.)

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1987 W201 190D