Bifold Door Pivot Pin, Benchmark

I would like to buy 2 tracks for my Benchmark Steel bifold door. also I need to confirm that I need the following one of 21-0002 pivot pin 3 of 21-004 guide pins thanks huda

I'm trying to replace a part on old metal bi-fold door that is broken. Not sure exactly what I need. Photo w/orange background is broken part; other photos are the matching door. Any help is appreciated. Wendy

We are looking for parts to secure bifold steel closet door by Benchmark. Most likely need to replace missing spring and cap to fit the track. The pins are about 5 1/2 inches or 14 cm long (a quarter inch or 6mm in diameter). Another spring was 2 3/8 inches or 6 cm long (1 cm diameter). The track ... (cont.)

would like the correct pins for replacement on the hinge and guids

Picked up eight (four 14 3/4, four 11 3/4) Benchmark bi-fold doors at a salvage yard.They seem to be in excellent condition, aside from one missing spring, I think all the door specific hardware is intact. I need everything else to install the doors in a pair of 108 inch openings. Not sure if this ... (cont.)