Truth window operator replacement

A quick learner from Lake Luzerne, NY 12846 says:
I am looking to replace two (one right, one left) Truth window operators. The bar is a single fixed with a bar length of 13 7/8" measuring from the tip of the bar to the center of the gear. My unit fixes with 4 screw holes in the rear of the unit.
The second part is attached to the sash and it's has three screws fixing it with a solid bar that is 5 1/4". I am in need of a right set and a left set if available.
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Emily from SWISCO responded:

Hi there!

I'm afraid we don't carry an operator with a 13-7/8" arm. However, take a look at our 39-013 and 39-014 operators that have a 13-1/2" long arm, measured from wheel center to gear center. Carefully compare our dimensions to your original assembly and see if this matches up for what you need.

Additional information for 39-013
Additional information for 39-013
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