Andersen window balance, 11600-3, J1 5#27 3 84

A home owner from grand rapids says:
i have a andersen 11600r-2(stamped) with other numbers of J1 5#27 3 84...on the back side it it stamped 11600-3 with stciker of 36x20 single 1/1 lite can you assist on replacement part. the unit mounts with two holes located in the center of the unit
User submitted photo of Andersen sash balance.
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Paul from SWISCO responded:
Good morning, and thank you for submitting your images to us.

Please take a look at the 24-531 Andersen Sash Balance.
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