what is the part number here

A home owner from california says:
HI Please help, what is the part # [see photo] that has a screw to secure the metal window frame to go with channel balancer S385-21 for stopping window move to top, The plastic is broken on one side and need a replacement.

Also I need the 2nd part# for the square drive I believe it is #2.

Thanks for your help ASAP.
Thumbnail of the uploaded file named 5C56EF79-5E1D-49FF-941B-138420ABF498_1_105_c.jpeg
Profile picture of Lauren
Lauren from SWISCO responded:

Hello, thank you for posting,

Your part resembles the 18-008H top sash guide. Please review the style and dimensions to confirm a good fit! 

Dimenisons for 18-008H
Dimenisons for 18-008H

Alternate view of 18-008H
Alternate view of 18-008H

I am not sure which part you are referring to in your second request, are you able to show us a picture of the exact part needed? Thank you! 

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.