Trying to find a replacement part for my Milgard Patio door

A quick learner from USA says:
Hello!
The inside lock has fallen off ( The handle is great..no problem) Here are pictures of the piece I am looking for as well as the serial numbers inside of the door frame.
User submitted photos of patio door hardware.
Profile picture of Tom
Tom from SWISCO responded:
Hello! Please see our 89-042, 82-268B, and 89-043. I think this hardware may match what you have, but let me know what you think.
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