I went ahead and ordered unlabled pump on ebay, just wanted to update you guys that after 7K miles I had no problems.

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1987 300D
2005 E320 CDI

Of course if you did have problems, we'd be seeing "for sale, 1987 300D parts car, engine totalled from timing chain failure".
I'm much happier with this report.

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Gone to the dark side

- Jeff