Milgard sliding patio door handle

A home owner from Los Angeles, CA says:
I'm trying to replace broken patio inside door handle with KEYED MORTISE STYLE HANDLE SET, 4-15/16" Product Code: 82-081. Do I need to replace Mortise lock and striker? I would like to use the ones that are already on the patio door. Just the inside handle is broken.
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Tom from SWISCO responded:

Hello! As long as your old mortise and keeper are in good condition, I see no reason why you can't reuse them. They should be compatible with the new handle set.

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