Those looking for sources for K&N air filters should look at Performance
International.  I bought a couple K&N air filters from them at a great price
with quick service a couple years ago.  They also have a bunch of other parts,
but the K&N appears to be the only item they carry for a Vanagon.

Performance International
696 W. 18th Street
Costa Mesa, CA 92627

Bob Franzke
Managing Director
EMAIL:  performanceintl@virtualrep.com
WEB:  http://www.performanceintl.com
FAX: 949-642-3923 (USA)

I have no personal financial interest in this company.  Just passing along the
info.

Regards,
Jim Davis