Window - help identify part

A home owner from Sterling va says:
I have got my order of S380-37 : 37" Series 380 Channel Balance but the window is not fitting. Can someone help me identity the part(please see photos)?

Thanks for your help.

User submitted photos of window hardware.
Profile picture of Paul
Paul from SWISCO responded:
From what I can see in your photos, you may be able to use our 18-124P top sash guide pair. However, I think it would be best to send us a couple of more photos of a guide that is not damaged in order for us to give you more of an accurate recommendation.
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