Top guides to match Cox 21-717/21-767

A quick learner from California says:
I am also needing 4 of your replacement closet door wheels COX 21-717/21-767 and have read the above questions. But I'm also in need of 4 guides that run at the top of the doors. Where can I find them as the bottoms are no good without the guides at the top. There are no numbers on the guides. Thank you! Pete

PS the top rail which is 77" by 3 and 1/4" is also missing. Can you help there or do I need to look elsewhere?
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Paul from SWISCO responded:
We appreciate your patience. The Cox number you have provided to us could either use our 23-070 concave wheel or 23-081 convex wheel. Look over both wheels to see which would make a good match. The top Cox guide that is usually used with these rollers is the 23-090 and for the track, our 23-245. Review each part at your leisure and if you should need any further help, upload a few photos for us to take a closer look.
Sliding closet mirror door rollers and tracks
Sliding closet mirror door rollers and tracks
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