Truth mechanisms Replacement

A home owner from Highlands Ranch, CO says:
I'd like to know if your Product Code: 39-031 will directly replace my window crank I believe to be a Truth mechanisms: 30740 L.H w/ short arm 30636/20544 and 30472 R.H w/ short arm 30842R/20810.
User submitted a photo of a window operator.
Profile picture of Tom
Tom from SWISCO responded:
Your crank certainly looks similar to our 39-031. Your best bet is to carefully compare the dimensions we show for our hardware to your own and see how well they match up. Let me know if they differ in any way.
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