Locking mechanism for Andersen sliding door circa 1983

A quick learner from Sliding door says:
I have 2 of these Andersen sliding doors, circa 1983. The inside mechanism will not turn to lock the door. A friend removed the lock and it is frozen. Do you have replacement parts?
User submitted photos of patio door hardware.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
Your latch look like the older style of our 82-263. We also carry the 82-037 Andersen latch. Finally, your thumb turn looks like our 82-043. Compare this hardware to your own and let me know what you think.
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