Need Pella window operator replacement

A home owner from Merrick, NY says:
Hello,
Attached are photos of the operator I am looking to replace. Let me know if you offer exact replacement.
Original is made by Pella
Thx
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Casey from SWISCO responded:

Hello,

Take a look and compare the specifications of the 39-175 and 39-176 Pella operators to yours. Thanks for posting! 

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