K and K window crank

A quick learner from Southern California says:
Hello, I have 3 windows that the crank mechanism is stripped or broken and need replacement. Any idea where I can get these from? any advise will be helpful, see photos attached.
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Bob from SWISCO responded:

Hello there. Many K&K windows use the 39-031 & 39-031, or the 39-155 & 39-156, but please check your operator to see if this design matches. Then, to determine which set you need, compare the dimensions we list in the pictures, particularly the length of the link arm. For a new cover and handle, see our 39-107 and 39-114L

A quick learner from Southern California says:
Thank you Bob so much for your reply, here are additional photos
if helpful so i can order the right parts. thank you
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Bob from SWISCO responded:

Hello again. Based on that Entrygard logo on the straight arm, I'm pretty confident this is either the 39-031 and 39-032; just be sure to double-check the arm dimensions we list to be 100% sure. To know which of handed operator you need, it's best to remove the operator fully, then remove the cover and see which side of the spline the gears and arms are placed will determine which you need. See the video below for removal and replacement details. 

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