sash balance replacement part

A home owner from copaigue new york says:
Hi i am looking for the part number that would best replace this sash balance.
the stamp on the inside readsD86 8#27 8 87
11600-17
looks like the other side say 1967 Canada
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Emily from SWISCO responded:

Hello! 

Take a look at our 24-837 Andersen sash balance. This is meant to replace Andersen balances with the stamp code 8#27 or 827. 

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How to replace an Andersen Window Balance
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