In a message dated 2/23/2012 5:49:02 P.M. Eastern Standard Time,
TomsGroups@SALICOS.COM writes:

Daughter's 87 Westy, slider window broken in attempted  break-in.
Needing sliding glass and screen.

right side sliding door window is '85-'91 westy  only.       passenger van
is different and '80'84  westy is different.     you must find someone
parting out a  '85-'91 westy.   i dont have that one.

if you cant find a westy one, i have a passenger van one that will work but
 you lose the ability to use the westy screen.