I have used these guys. They may have what you need but sometimes they are pretty pricey. Good luck!
https://www.tractorpartsasap.com/?gclid=EAIaIQobChMI64bVtZyk8QIVi21vBB1XoADuEAAYASAAEgJTEvD_BwE


Need your rear end checked out? Contact Grizzly!!