Sliding door top slider

A home owner from Florida says:
this is a pic of a plastic piece that goes in the top track of my sliding glass patio doors that keep the door from scraping metal to metal. It is 1 1/16 overall height. 7/8 wide. holes are 9/16 on center, and there's 2 locating nubs at the open end. Where can I buy this?
Thumbnail of the uploaded file named thumbnail_20221208_144650.jpg
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Casey from SWISCO responded:

Hello,

Take a look and compare the specifications of the 86-025 patio door guide to yours. Thanks for posting! 

Alternate view of 86-025
Alternate view of 86-025

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