broken lift mechanisums

A quick learner from Massachusetts says:
Attached is one of the pictures of a broken lift mechanism, however both need to be replaced. On the item attached the numbers that I can vaguely make out include 11600-1
116523587
11600-3
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Paul from SWISCO responded:
Thanks for contacting SWISCO.com. I believe I see 5 # 23 on your box, if so, you will need our 24-531 Andersen sash balance box.
How to replace an Andersen Window Balance
How to replace an Andersen Window Balance
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Andersen's Narroline Sash Balances
Andersen's Narroline Sash Balances
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