Is this the pivot receiver at upper pivot? The pin is still in tact? ..Tim? Wish there was a better pic or two... of a non broken one. Can't suggest DIY fix without that.

https://www.chevsofthe40s.com/detail/6962/Chevrolet_Pivot_Pin_Vent_Window_Upper.html

https://www.chevsofthe40s.com/detail/11464/Chevrolet_Clip_Vent_Window_Regulator_Spring.html

The long threaded stud at bottom is available.

Last edited by bartamos; 08/13/2017 11:38 PM.
Right is right, even if everyone is against it, and wrong is wrong, even if everyone is for it. - William Penn