I couldn't find those low cost ones either.

What bothers me, is that alibaba lists Bosch pumps made by Chinese companies. Surely these must be illegal knock-offs? And with some on eBay for $6.00 and some for $23.00, perhaps that could be the reason? I know Bosch have a big problem with Chinese reproductions of their parts.

Ecklers show this one on their site as a Mercedes part when searching for part 000 090 00 50 - looks like old style and just $12.95. At my dealer, the part they have is the new style Bosch and it is C$55!

Using 000 090 00 50, AA comes up with new style for $16.00

Then I found this one on eBay which looks like a deal if it is genuine as they say. Seller has part number muddled, but 000 090 0050 looks right.

This site confirms the change in part number from 000 090 0050 to 000 090 8850

My existing pump is a Febi, but it looks same as Bosch newstyle. It's about 5 yrs old. Have had it on and off 3 times recently because of fuel leak. Bought new seals, put in some sealant. It doesn't leak while running but sometimes (not always), I see some fuel around the seal. Don't know if it is the seal leaking or the pump.

Decided to order one of the $9.95 eBay genuine pumps!

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Graham
85 300D,72 350SL, 98 E320, Outback 2.5