In immediate need for a dock lock cylinder replacement

A home owner from Barrington, IL says:
We are in need of and hope to talk to someone who can help track down the cylinder needed for the lock (image attached).
The only info on this lock is: Pella and The Broadway Collection. Lock could be approximately 5-10 yrs old.
Thank you so much.
User submitted photos of a door handle.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
You might have a version of the Pella 40-193 handle set. If you are just looking for the key cylinder, that could be the 40-123. Look over this hardware and let me know what you think.
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