Be patient with yourself on the window vinyl. It only goes in by brute force, and not very quickly. On my vehicle, the stuff was available from here: http://www.parkin-acc.com/page53.html It was cross-section #G. If you're replacing a pane, make sure to thoroughly clean out the old window frame befo...

I managed to find the Hehr part number on the window frame, but it's so old that ParKin couldn't provide a new pane for it. So, I cut a substitute from 1/8" thick, black HDPE on a CNC router, and I got new rubber for the gasket from ParKin. The CNC step took a couple tries to get the dimensions...

Has anyone had to replace one of the front upper windows on an '89 B190? I have an '87 Okanagan (almost the same van) which has very similar windows but one is now broken.