Truth crank spline replacement

A home owner from Raleigh says:
I am having trouble finding replacements for the piece pictured here. Do I need the entire assembly new or can I find just this insert piece? The crank itself probably matches product 39-205 Thanks, Tim
User submitted a photo of a window crank part.
Profile picture of Tom
Tom from SWISCO responded:
Thanks or posting, Tim. Unfortunately, this gear is not meant to come out of your operator. You will have to replace the whole unit--and not just the crank handle, like 39-205. This gear goes inside the operator itself, and so that is what needs to be replaced.
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