Andersen sash balance

A handy person from NJ says:
This is from a double hung wood window that does not tilt out for cleaning.

Has markings on it:


K30 837 11 89

Trying to determine what replacement balance number is needed.
User submitted photos of a window balance.
Profile picture of Paul
Paul from SWISCO responded:

You may go with our 24-837 Andersen sash balance to accommodate with your balance box stamped with "K30 837 11 89".

How to replace an Andersen Window Balance
How to replace an Andersen Window Balance
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