Brand is truth and part number on arm is 3084IL

A quick learner from Connecticut says:
Looking for replacement part
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Tom from SWISCO responded:

Hello! Your operator appears to be an older version of our 39-035. We also sell the 39-036 for the opposite side, if you needed it. I am confident that these parts will work for you but I would be happy to answer any questions that you may have.

39-035 : Truth Hardware Entrygard Dyad Window Operator
Truth Hardware Entrygard Dyad Window Operator
39-035
$30.82
VIEW >
39-036 : Truth Hardware Entrygard Dyad Window Operator
Truth Hardware Entrygard Dyad Window Operator
39-036
$30.82
VIEW >
Connecting a casement window operator to stud bracket
Connecting a casement window operator to stud bracket
VIDEO
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Anatomy of a casement window
Anatomy of a casement window
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