>Anyone have for sale or know a source likely to have a useable clear plastic
pop-up vent for my '87 Vanagon GL >Westfalia (other than VW which is very
pricey)?  I think I just need the plastic lid itself, not the accompanying
>hardware.  Thanks.

If you're refering to the skylight --- then the Skylight Guy
 at  http://skylightguy.webwizards.net manufactures and sells
them --- he also supplies the Bus Depot. I recently bought and
installed one of his 'B' grade skylights and was very
happy with it.

Cheers,
Doug Alcock
'84 Westy
Toronto, Canada