I cannot find manufacturer information on the window. What is circled is what I need a replacement for. I do not think you guys are the one to know, but I thought of asking anyway. I am clueless about who to contact. Thank you for your time
Casey from SWISCO responded:
November 25, 2020
Hello,
Take a look and compare our 36-048 hinge set to yours. Unfortunately, the black track slider is not sold seprately. Thanks for posting!