Searching for Old Crestline casemant window crank mechanism

A quick learner says:
June 21, 2022
The crank gear mechanism I need is from the Crestline casement windows that were in stalled in my house about 43 years ago. The overall length of the arm and gears is about 12 inches.

Reverse side TRUTH P/N is LH45135
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Emily from SWISCO responded:
June 23, 2022

Hello!

Take a look at our 39-013 & 39-014 and 39-027E & 39-028E operators. Look over the dimensions and compare them with yours to see if one of these matches up to your original assembly. 
Casement Window Operator, 13-1/2" Arm
Casement Window Operator, 13-1/2" Arm
39-014
$20.70
Casement Window Operator, 13-1/2" Arm
Casement Window Operator, 13-1/2" Arm
39-013
$20.70
Ellipse Style Single Arm Operator, 9-1/2"
Ellipse Style Single Arm Operator, 9-1/2"
39-028E
$20.70
Ellipse Style Single Arm Operator, 9-1/2"
Ellipse Style Single Arm Operator, 9-1/2"
39-027E
$20.70
Anatomy of a casement window
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