Window Stop/Guide/?
A piece that belongs on the doors to assist with the windows had broken. The unit lays on top of the door, behind the panel and it pretty much guides the window.
Just looking for assistance in identifying what part it is called and a part number for it.
Image attached for better understanding.
Ty for your time.
Specs:
1998 Pontiac Firebird Convertible
V8 5.7 liter
I came across it while looking for some other door parts.

