Vinyl Widow Lock Replacement

A quick learner says:
I am trying to replace all my vinyl window locks (most of them were broken by the previous owner). I have attached photos and dimensional sketches. Please advise on which parts I need. I would prefer not to have to drill new holes in the windows.

Thank you in advance.

User submitted photos of a window lock & keeper.
Profile picture of Paul
Paul from SWISCO responded:
Hello, Joe. I believe you can use our 90-173 lock and 90-257 keeper. See what you think.
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