Turbo water pump source?

[Gerard]

My original Bosch pump is so badly corroded that I cannot get
the part number off of it. Can someone get the Bosch part
number and the Audi part number off of it, please? I was talking
to the Bosch supplier and they need the replacement number to
give a price. They sell alot of these things to a large local
turbo installer who uses them for their water/air intercoolers.
Pierburg in Germany also want to work on the Bosch number to
tell me which of their pumps will do.

I have the Shogun pump and it is massive! :)

Thanks.

G.
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q-list info: 1990 200 (MC-1, FWD, MAC13A) ... pieces everywhere!