plastic piece at top corners of sash

A quick learner from smyrna ga says:
part is attached to the window, it is being alligned with the channel balance.
Thumbnail of the uploaded file named ezTH7hj7TzSzIaeZgoPpLQ.jpg
Thumbnail of the uploaded file named ff2Dnh30R2Szj4I0H9fybA.jpg
Thumbnail of the uploaded file named a9QMJ0nPRvCPt2ZWgcRJcA.jpg
Profile picture of Tom
Tom from SWISCO responded:

Hi there! Looks like you need new top sash guides. Based on your photos, I think you might want either our 18-060 or 18-061. It's a little tough to tell which one you need for sure, so I recommend carefully comparing our photos and dimensions to your own parts to confirm.

How to Repair a Jammed Window
How to Repair a Jammed Window
VIDEO
WATCH >
How to Replace a Top Sash Guide [1080p]
How to Replace a Top Sash Guide [1080p]
VIDEO
WATCH >
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 3-4 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 (888) 991-1929 or at help@swisco.com.