Need replacement hardware for sliding glass door

A home owner from San Rafael, California says:
I went to Home Depot looking for a replacement for this part, but all of the parts had an extra part on the side with a hole in it, obviously to attach it to something with a screw. This part doesn't have that. The part says "Del Mar Eng Long Beach" and then what looks to be an unreadable patent number. I bought a replacement roller but I think it will be hard to remove the other since it is very rusty. I'd rather replace this entire metal piece. Thank you.
User submitted photo of their door hardware.
Profile picture of Paul
Paul from SWISCO responded:
I'm reminded of our 81-112 patio door roller assembly. Carefully go over it and let me know if this could work as a replacement.
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