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Okay.... I don't see why I shouldn't help you (and myself) by selling you my hose and metal part if you are interested. Afterall, they won't be going back on the car and are just living in a box in my batcave.
I normally sell things at 50% of their retail price (VW dealer price in this case) and then plus postage and not at 50% of fleeBay's 'finest' as-cheap-as-you-can-find.
Either way, I'm now off into the batcave so at the very least you'll have the part #'s - I may be some time! As Captain Scott once said on his ill-fated expedition. Let's hope I don't get crushed by OEM car parts which were once on my car.
So I'll post on my return...........