Missing glider piece

A home owner from San Jose, California says:
October 25, 2023
Hi,
Please let me know if you can help me to identify the replacement part of the glider? One of the is missing the top piece (white rectangle plastic inside the track)? Thanks!
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Emily from SWISCO responded:
October 25, 2023

Hello there! 

Thanks for reaching out to us. According to our records, this roller guide isn't made anymore. However, take a look at the 23-093 as a possible substitute. Look over the specifications and see what you think. 
Spring Loaded Upper Roller Guide
Spring Loaded Upper Roller Guide
23-093
$4.80
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