Replacement Part for Sliding Door Latch

A home owner from Illinois says:
Hi - I am desperately trying to find a replacement part for my patio sliding door. The house was built in the 1960s and the door is in great shape.

The latch appears to have broke where it allows for it to lock. Any idea where I could get a replacement part for this? Thank you for your consideration.
Thumbnail of the uploaded file named surface mount handle assembly
Thumbnail of the uploaded file named WhatsApp Image 2024-03-11 at 12.23.28 PM (1).jpeg
Thumbnail of the uploaded file named surface mount handle assembly
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Emily from SWISCO responded:

Hello there! Thank you for reaching out to us. Check out our 82-063 surface mount lock set. This looks like it could be a comparable match. Review the specifications and see what you think. 

Alternate image for 82-063
Alternate image for 82-063

How to maintain a sliding glass door
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