anderson window balencer, original part c. 1987 from double hung window

A home owner from Bergen, NY says:
June 28, 2016
need ID of new swisco part #
User submitted a photo of a window balance.
A home owner from Bergen, NY says:
June 28, 2016
need to know new swisco part number for this one too. This is for a smaller window, it's in the bathroom and the mudroom.
User submitted a photo of a window balance.
A home owner from Bergen, NY says:
June 29, 2016
Just to clarify, the comment "This is for a smaller window, it's in the bathroom and the mudroom." applies to the pic with the "4-19" sticker on it.

The other pic showing "BE 12 9#27 7-86" is associated with large double hung 1987 Anderson windows.
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Tom from SWISCO responded:
June 30, 2016
Hello again! For the balance stamped "4 19," we recommend the 24-431, and for the balance stamped "9#27," we recommend the 24-939.
Andersen Sash Balance, 419, 425, 431
Andersen Sash Balance, 419, 425, 431
24-431
$54.20
Andersen Sash Balance, 927, 931, 937, 939
Andersen Sash Balance, 927, 931, 937, 939
24-939
$54.20
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