Replace Operator on biltbest Window crank

A quick learner from Columbus says:
How would I verify which part no. that I need to replace my defective window operator. \

User submitted picture of window operator for Biltbest.
Profile picture of Tom
Tom from SWISCO responded:
Thank you for posting, and for the great pictures! Have you seen our 39-032 & 39-031 EntryGard Dual Arm Operators? Please compare their dimensions to your own hardware and let me know if they differ.
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