window crank operating track

A handy person from house says:
on my operating track I am missing black tab that connects to the operating track. That black tab is also what connects the window crank to the window. I am looking for that black tab or if I would have to get the whole operating track itself to finish this job?
Thumbnail of the uploaded file named tempImageIUpqzE.gif
Profile picture of Casey
Casey from SWISCO responded:

Hello, thanks for writing in. It's hard to say for sure based on this picture, but take a look at our 39-529. Could this be what you're looking for?

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