7 Highfield sash balance

A contractor from Skillman, NJ says:
October 16, 2022
I've removed a sash balance that I need to replace, see the attached picture.
It's from an old Andersen window installed over 30 years ago. Do you have replacement balances for this window?
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A contractor from Skillman, NJ says:
October 16, 2022
attached are pictures of both balances on an Andersen window installed in 2000.
Do you have replacement balances for this window?
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Casey from SWISCO responded:
October 20, 2022

Hello,

The R13/927 and L9/1327 stamped on the end tab of the assemblies shown in your second batch of photos indicate that you would need the 24-R13-927 right and 24-L9-1327 left-handed Andersen sash balances for your repair.

I can't quite make out the stamp on the balance shown in your first photo but it looks like it may say 519. If so, see the 24-531 Andersen sash balance. Thank you!
Andersen Sash Balance, R13 927
Andersen Sash Balance, R13 927
24-R13-927
$54.20
Andersen Sash Balance, L9 1327
Andersen Sash Balance, L9 1327
24-L9-1327
$54.20
Andersen Sash Balance, 519, 523, 525, 527, 531
Andersen Sash Balance, 519, 523, 525, 527, 531
24-531
$54.20
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