This one goes into a round hole in the glass and a pin on one of the regulator arms goes through it to raise and lower the glass.Part KQ-RG at the bottom of this page is what you need. It goes into a hole in a metal bracket on the regulator and then the pin goes in the middle and pushes the tabs out.
MOPAR PARTS - DODGE MOPAR PLYMOUTH GLASS PARTS
I have a 66 sedan parts car and will see if it has that and if it will work. I think the sedan only has one arm raising the glass and has the metal bracket attached to the glass. My convertible has 2 arms one of which is attached to a metal bracket on one edge and the other just goes through this piece in the hole on the other edge with no metal bracket. I will see if the one that holds the bracket can work with this.Yeah, it's still the right one. I left out the window part. Sorry about that. It'll work. I bought the same ones for my 64 sedan.
So I did pull one from the 4 door and if necessary it can be used but it is designed to go through the glass and the metal so is loose on the glass. Also the hole is slightly larger . I can fix that but if I could find a source for the correct one I woulI have a 66 sedan parts car and will see if it has that and if it will work. I think the sedan only has one arm raising the glass and has the metal bracket attached to the glass. My convertible has 2 arms one of which is attached to a metal bracket on one edge and the other just goes through this piece in the hole on the other edge with no metal bracket. I will see if the one that holds the bracket can work with this.