SWISCO - The Replacement Hardware Authority

I need help replacing some parts.

A home owner from Madison, WI says:
The lock and the handle do not work. The lock has two broken parts off of it. And the crank handle lets me open the window but does not always let me close the window.
User submitted photos of window hardware.
Profile picture of Dave
Dave from SWISCO responded:
Looks like you have the older GU operator, which I believe can be replaced with the 39-415. See if you agree. As for the lock, I don't believe it is available any longer. Our 38-099 and 38-100 may work as replacements, but I cannot guarantee it.
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