Anderson casement window crank mechanism

A home owner from wickenburg az says:
13 inch arm, number stamped on arm top row = 1 361 485r. Second row= 1 361 482 hcr
I need a left and a right. I ground off the rivets and opened the mechanism. Found teeth ground off bevel gear that handle attachesboth left and right window. The vise grips in the picture are holding it together
Thumbnail of the uploaded file named 16035595121161247591290180595184.jpg
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Bob from SWISCO responded:

This looks possibly like the 39-331 and 39-332 E-Z Straight Arm Andersen operators to me. Compare the dimensions and see if you agree.

39-267 : Andersen Classic Handle
Andersen Classic Handle
39-152 : Andersen Classic Operator Cover
Andersen Classic Operator Cover
39-331 : E-Z Straight Arm Operator, Andersen
E-Z Straight Arm Operator, Andersen
39-332 : E-Z Straight Arm Operator, Andersen
E-Z Straight Arm Operator, Andersen
Anatomy of a casement window
Anatomy of a casement window
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