You don't need that.  Put a rubber grommet in the hole in the firewall, and run fuel tubing through it.  You can eliminate two connections including that connector.  The online vendors sell appropriate grommets if you don't have a local source.

---- Scott Chapman <scott_list@MISCHKO.COM> wrote:
> you mean this?
> http://www.thesamba.com/vw/classifieds/detail.php?id=803898
>
>
> Shawn Wright wrote:
> > To all Vanagon owners still using gas engines: PLEASE check those fuel
> > lines, and replace the plastic firewall 'T' if you haven't already! (mine
> > developed a leak at the T which sprayed fuel onto the starter and exhaust -
> > I was lucky enough to catch it in time.)
> >
> > The local papers on the weekend had photos of yet another nice Vanagon Westy
> > going up in flames. This is the second one I've seen locally in recent
> > years. The first one I came upon just after it started, and it was a very
> > sad sight. My brother also lost his '68 Bus many years ago this way.
> >
> > So if you haven't checked, or the van is new to you, do yourself a favour
> > and check/replace those lines! These vans are getting harder to replace
> > every day!
> >
> >
> >

--
David McNeely