What are these Plastic Pieces?

A quick learner from Cape Coral, Fl says:
April 1, 2019
What are these plastic pieces that keep the window centered I'm missing almost all of them.
Thumbnail of the uploaded file named 15541241527946311738342299199506.jpg
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Bob from SWISCO responded:
April 2, 2019

Thanks for posting. This looks like a face guide. See our 67-026. Compare with your old part and see what you think.
Face Guide
Face Guide
67-026
$0.97
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