Window balance confirmation

A quick learner from USA says:
I need to replace some window balances. Its for PGT SH 2500
This one looks right but Im not sure

37" Series 385 Channel Balance
Product Code: S385-37
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Paul from SWISCO responded:
I can't tell based on the information provided. When you compared the specs for the S385-37, how did it differ from your own balance? It uses the 19-005 top and 15-004 bottom attachments. Carefully match the dimensions for those parts to the attachments on your balance. If they differ in any way, I need to know exactly how.
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