Crank set for window

A home owner from Oregon says:
The crank set in the picture isn't working properly anymore. I can't get the window to close all of the way. I need a replacement part.
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Casey from SWISCO responded:

Hello,

We'd be happy to research this for you but the orientations of your operator's arms are a bit different than the ones we carry. Please show us a photo of the operator removed from the window so that we can see how it attaches to the sash and will be better equipped to research your replacement options. Thank you!

A home owner from Oregon says:
Attached is a photo of the detached part.
Thumbnail of the uploaded file named 3468E2DE-F33E-410D-8C83-F3596F2C44B3.jpeg
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Dave Sr. from SWISCO responded:

Take a look at the newer style operator 39-253RB with the removable cover. I believe this is the operator that matches up to yours. Take a look and compare the style and dimensions to yours. Also, take a look at the other related parts and videos on this page. Thanks for posting!

A home owner from Oregon says:
Does your crank set come with a casing (cover)?
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Dave Sr. from SWISCO responded:

It does not but it is compatible with our 39-376 handle and cover kit, which we also related for you. 

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