Sliding glass door top plastic

A handy person says:
September 13, 2018
What?s the plastic part on the top backside of a sliding glass door that holds it from having any play.
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Paul from SWISCO responded:
September 20, 2018

The nylon piece you are referring to is a guide. Our 86-028 is worth considering. Take a look and let us know if this is the part for you. 
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Paul from SWISCO responded:
September 20, 2018

Glad to hear it! Thanks for coming to SWISCO.
A handy person from California says:
September 20, 2018
You guys are awesome. That?s what I was looking for. Thank you so very much. You saved me a headache and time.
A quick learner from Florida says:
July 8, 2023
Need two of these. Don't know what they are called or how to search for it
Thumbnail of the uploaded file named 20230708_123126.jpg
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Tom from SWISCO responded:
July 10, 2023

This looks like a patio glass door guide. We don't sell this exact part, but it is similar to our 86-025. Review its dimensions and see how well they compare.

Alternate view of 86-025
Alternate view of 86-025
Crown/Lawson Guide
Crown/Lawson Guide
86-025
$0.80
Miller Sliding Door Guide
Miller Sliding Door Guide
86-028
$1.47
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