change lock only on handle set

A home owner from Jacksonville says:
Concerning the Atrium 332 sliding glass door. I want to change the lock. Can I change the lock only, or do I need a whole new handle/lock? If so, can you recommend parts and where to purchase. See photos.

Thank you.
Thumbnail of the uploaded file named atrium 332 inside latch.jpg
Thumbnail of the uploaded file named atrium 332 lock side.jpg
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Casey from SWISCO responded:

Hello,

If it's just the lock that's broken, take a look at our 82-310 key lock that is commonly used with handle sets like yours. Thank you!

A home owner from Joliet IL says:
I have the same door it has a double hook latch and one of hooks are broke and the door doesn't lock anymore. Do you sell a replacement for that?
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Tom from SWISCO responded:

We sell several different double hook mortise locks. The two most common varieties for the door above are our 82-265 and 82-239, but there are many other types. Start with those two for now and see if either one matches the original.

Alternate image for 82-265
Alternate image for 82-265

Alternate image for 82-239
Alternate image for 82-239

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