Can't find anything on screen door or slider , window says Value on latch ,for screen door for glass slider

Thanks for posting! I'm sorry to say that we would not be able to supply you with a replacement for the screen door roller you have here. Unfortunately, we do not have any that mount to the door in the same manner that yours does or any that would work as a suitable alternative.

Our sincerest apologies we cannot be of more help with this repair but please don't hesitate to reach out with any other hardware repair questions.