Sash Balance replacement parts

A handy person from Fishkill, NY says:
We are looking for a replacement part for J23 5#27 9-85 Can you please tell us what we need?
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Lauren from SWISCO responded:

Hello, thank you for posting,

Based on the numbers provided, it sounds like you are in need of a new Andersen Sash Balance. Please review the 24-531 that replaces balance boxes stamped with the number 5#27. Please review and let us know if you have any additional questions! 

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