Can't insert this into track, replacement needed

A home owner from Boston says:

Our old bifold door bottom guide (I beleive same as 21-114) is broken. I talked to a contractor, they said because of the wood floor, we can't pull out the track to insert a new guide.

I am wondering if there is any replacement that can be inserted without pulling out the track.

Thank you very much!
User submitted photos of bi-fold door hardware.
Profile picture of Paul
Paul from SWISCO responded:
Since you can't remove track to slide in the 21-114 pin cap, see if you can loosen the pivot bracket and remove that instead. Then, you may be able to just cut the lip at the end of the track so you can insert the nylon guide, then reinstall the pivot bracket.
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