Vinyl Glazing bead for wooden window

A handy person from Littleton, MA, US says:
I'm trying to repair a window. I have the new glass but the the vinyl glazing is so old that it crumbling and cracking. It needs to be replaced. The window has glazing 2 on three of it's sides. this glazing has a metal gasket/insert which slides inside the glazing. Glazing type 1 is only on one side(top) of the window. I have also included my measurements of both types of glazing.I didn't see anything that looked like it would work so I'm passing this information on to you so that you maybe able to help.Thank you
Thumbnail of the uploaded file named glazing 1 with metal gasket removed.JPG
Thumbnail of the uploaded file named glazing 1 with metal gasket.JPG
Thumbnail of the uploaded file named Glazing 2  .JPG
Thumbnail of the uploaded file named glazing Installed looking from outside.JPG
Thumbnail of the uploaded file named Glazing measurements.JPG
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Tim from SWISCO responded:

This vinyl strip you show looks like it's part of the window, sort of like a capping. I'm not sure if we'll be able to supply it.

Can you reuse this cap and just replace the seal? If so, you could maybe use something like our 58-134 or 58-135 bulb seal to slide into the T-slot I see in your first picture. I'm not sure what to offer for the second picture; this doesn't look like a glazing bead to me, but rather more like an extruded snap-in filler strip. Could it be a wrap-around molding for the glass itself? If so, you may want to consider using one of our rubber glazing splines as a substitute., like our 59-067 or 59-068. Let us know what you think!

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