Try Ken Wilford at www.vanagain.com.  He sells the complete grommet/
tubing kit and has instructions:  http://www.vanagain.com/gastank1.htm

On Aug 14, 2007, at 8:59 AM, Randy Nunes wrote:

> After reading all the emails about burnt up Vanagons, and Benny's
> constant nagging about fuel lines and the smell of gas permeating
> throughout my van, I pulled my fuel tank off this past weekend and
> noticed several huge problems.  The cross over plastic T
> piececonnector , a plastic piece which secures the line from the
> overflow to the gas tank were broken, the lines were all very
> brittle and some busted right off.  I have ordered the replacement
> parts kit but am having trouble locating the 2 plastic pieces I
> need to reconnect the system. Can anyone help me find a source?
>
> Randy Nunes