Searching for Andersen sash balance C41 6#31 1-87

A quick learner says:
December 29, 2022
I'm looking for a replacement sash balance. I can't seem to find any numbers that match what I'm looking for. The numbers I found are C41 6#31 1-87 and
11600-17
Can you help me find the right part? Thanks,
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Emily from SWISCO responded:
December 30, 2022

Hi there!

Thanks for reaching out to us. Our recommendation would be the 24-637 based on your 6#31 stamp but take a look and see what you think. 
Andersen Sash Balance, 623, 627, 631, 637
Andersen Sash Balance, 623, 627, 631, 637
24-637
$54.20
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