Bifold Door Pin Cap

The pin is approximately 4and a half inches long. It may or may not need replacement as the problem is that it does not engage the top track so there is a slight swing in and out when opening and closing the door. Any assistance that can be provided would be greatly appreciated.

I have a bi-fold closet door (wooden) and the door has become unhooked and I am struggling to get it back in. I've attached a picture of the pin and the little door guide (not sure the name of this piece). It seems like this door is older, so I can't easily find these parts in hardware stores. I ... (cont.)

Do you se them or have something that works

I am having trouble locating right replacement pins for these doors can you help with the right parts.

Looking for replacement parts for metal bi-fold doors. Need pins, springs and pin secure clip. Pin is about 4 1/2 inches