Window arm operator for Caradco window

A home owner from Knoxville, TN says:
Built the house in '89 with Caradco Casement throughout. Many (most) of the cranks have failed due to splits in the crank assembly allowing the crank and screw to pull out so looking for replacements. I think the 9.5" arm assembly you show will work, but is not completely identical to what I have so I have included pictures. What is your opinion? I can re-measure the arm to determine (think it is 9.5" based on measurement in place). Will purchase about 20 (10L/10R) if it works.

Thank you.
User submitted photos of a window operator.
Profile picture of Tom
Tom from SWISCO responded:
Thanks for posting! Yes, if the gear screw comes out then the whole operator needs to be replaced, unfortunately. This looks a lot like our 39-031 and 39-032. Have you seen these yet? I think they closely resemble your own parts, but just double check the arm lengths. If you also need new covers and handles, see our 39-107 and 39-114L, respectively.
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