SWISCO - The Replacement Hardware Authority

Disintegrated bi-fold door parts

A quick learner from Delray Beach, FL says:
A lot of the parts are too worn, some are plastic and have crumbled away.
The only number is on a white label.
The doors are 59"W x 80L".
I may need a new track on top and bottom.
You tell me? Here are the pictures:
User submitted photos of a bi-fold door hardware.
Profile picture of Paul
Paul from SWISCO responded:
Those nylon caps look like our 21-111. Check it out and see if you agree.
A quick learner from Delray Beach, 33446 says:
Hi Paul,

Thank you for getting back to me so quickly.

The cap may do the trick, but how do I figure out
if it will fit the track that is in place?

What track size would I need for this size cap?

Can I order track from you? If not please refer me to the right source.
Also this cap will fit both of fittings that are picture in 3 of the pictures?

Thank you SO MUCH! I want to order the window parts and the door parts together.
Profile picture of Tom
Tom from SWISCO responded:
Thanks for getting back to us! We show detailed dimensions for the cap on its product page, which I will also post here for your convenience. If it matches the dimensions of your existing cap, then I think you'll be good to go. If not, tell us how they differ and we can try to find a better solution.
Side profile view with measurements
Alternate view with measurements
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