repair parts for Leigh products folding doors

A landlord from Jefferson City MO says:
My appartment complex has about 300 leigh doors, all it says on the doors is quality control approval number 559245

I need hardware kits for the pins and the bushings that slide in the rails both top and bottom
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Paul from SWISCO responded:
It's hard to say. Leigh tends to change their parts over the years. I've assembled a list of possible replacement parts, which you can see on the right side of this page. Carefully go through our pictures and measurements for each one to confirm that they match.
Bi-fold Door Repairs
Bi-fold Door Repairs
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