The O-Ring you're looking for is VW N0282252 and VW obsoleted this about 2
years ago, which is real stupid considering that it's a must have when
replacing the water pump (I have, 15 years ago).  I've been looking high
and low for a source, but I keep coming up empty, even in Europe.

Size is 25mm x 3.55mm

I'm only seeing them in complete engine gasket sets these days.

Van Cafe shows it, so they might have some stock.  Buy two for a spare:

http://www.van-cafe.com/home/van/page_372_228/yellow-o-ring-for-coolant-crossover-tube.html

Jim Thompson
84 GL 1.9 "Gloria"
84 Westfalia 2.1 "Ole Putt"
Full Timing From March 1999 To January 2012
oldvolkshome@gmail.com
http://www.oldvolkshome.com
Find me on Facebook:
http://www.facebook.com/people/Jim-Thompson/100000710343835
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On Sun, May 3, 2015 at 10:47 AM, Stuart MacMillan <stuartmacm@gmail.com>
wrote:

> Can't put it off any longer.  The pump I got (Graf) includes the big O-ring
> and the two gaskets on the pump, but not the small O-ring for the pipe that
> slips into the T-stat housing. I need that, and I think that pipe has to be
> detached from the engine at the other end to get at the pump, so I'll need
> that gasket too.  It's been 20 years since I've done this job, and the
> Bentley doesn't have any instructions, just a diagram.
>
>
>
> Are these dealer only items, or have any of you found a source?  Are there
> any other gaskets I need?
>
>
>
> I'm going to find out how much it will cost to have this done tomorrow just
> to see if it's worth doing myself.
>
>
>
> Thanks!
>
>
>
> Stuart
>