Top guide issue on track door

A quick learner from California says:
Hi the image is the top part of the track door and I only have one door no. Label information . The door was given to me. I would like to install it. Not sure what the name of the guide is and what track would be best so I can install or if I can remove the guide and place something else
Thumbnail of the uploaded file named 1FD451CC-86D1-443B-8AB1-761198B9AB0B.jpeg
Thumbnail of the uploaded file named 62243D3A-F53D-4A2B-89B7-FD2BE0D4942F.jpeg
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Tom from SWISCO responded:

This looks like a variation of an old "K" guide for mirror closet doors. I don't think you'll find this exact guide anywhere, as it's not really a popular style anymore. That said, we do sell the 23-226 . This may work for your as a substitute. I can't guarantee that but I think it's worth at least looking over. 

Let me know if you had any questions concerning this part and I will do my best to answer.

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