Stitch selection dial replacements for Toyota sewing machines.

Unfortunately, all the stitch selection dials for the Toyota RS2000 series sewing machines are completely sold out and no longer available.
You could try using a thin cable tie to keep the cracked dial stable. It’s not a perfect solution, but it may help keep it usable for a while.
The cable tie is like this one: Cable Tie
The metal spring to support the dial is still available below.