For the same year ... Westy window "Sizes" are the same as passenger
vans.  Inside the frames the glass is different as is the location of
the latch.  Westies are different because of the screens.  You can,
however, physically swap passenger van windows (frame and all) for Westy
windows.

Mike

BA wrote:
> As we found out, for the same year of Vanagon the Westy middle-side
> windows are *not* the same as the stock Vanagon windows!