Need Sash Balance, 11600-17 BD4 4#19 2 87

A home owner from South Jersey says:
October 2, 2011
Hello,

The sash cable broke on one of my my anderson windows. The markings on the old sash balances are 11600-17 on one end and BD4 4#19 2 87 on the other end (see attached photos).

What Sash Balance do I need. I plan to do both. Are there any other parts I should replace while I have it apart?

Thanks,
Chris
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Donna from SWISCO responded:
October 2, 2011
Hi Chris,
Yes, SWISCO product code 24-431 is the proper Andersen replacement balancer for a balance box stamped 4#19.
I do not foresee any other parts you will need to replace during this installation but let us know if you run into any trouble or need anything else identified.
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