EntryGard Casement Operator replacement

A quick learner from Utah says:
See attachment of broken operator please.
Brought home one from HomeDepot but discovered the clip (top) w/o a # on it was 4 7/16 in.long versus mine at 3 13/16 in. (mine has the 20755 on the short arm) So unscrewed all & took operator back; & discovered online that majority I found were too long also.
So does the EntryGard Casement Operator Product Code: 39-032 clip (top)/short arm measure 3 13/16 inches ? The long arm does measure 9 1/2 in.

PS:wish there was a diagram w/ noted lengths, which would have confirmed a match for me.
EntryGard Casement Operator replacement
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Tom from SWISCO responded:
Thanks for posting! Have you seen our 39-156? I think you'll find this is a little closer. For future reference, we have detailed dimensions for each of our products on their respective store pages that you can look over before purchasing.
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