Replacement Andersen Sash Balance D40 7#27 7-85

A home owner from New York says:
March 1, 2011
I'm trying to find out the replacement part # for sash balances from my Andersen windows. In the bottom right corner, D40 7#27 7-85 is stamped. Any help in identifying which sash balance I need would be much appreciated. Thanks.
Profile picture of Donna
Donna from SWISCO responded:
March 1, 2011
Hello,
The replacement is product 24-737, Andersen Sash Balance.
Reply to Thread
Use this form to ask a follow-up question or to share your experience regarding this subject.
(your email address will be kept private and is only used to inform you when a response has been made)
Current wait time is 4-7 business days
We promise that one of our experts will personally get back to you as soon as they are able. Thank you very much for your patience and understanding. If your inquiry is time-sensitive, please feel free to reach us at 856-317-6263 or at help@swisco.com.