I couldn't find anyone who made one for mine when I needed to replace mine last year for the same reason. Anyways, I had a local hitch shop custom make a new one that was thicker than the factory one. Also had it sprayed with LineX to prevent future rust.
Only cost $400 out the door.
375,000 miles, PHP Hydra, Stage 1 FF Injectors
F-650 Dash w/EV2 Gauges, CT Performance Suspension
SSBV V8 Brakes NCHornet's CCV, BTS Valve Body, Swamps IDM DieselSite Tranny, Engine & Intercooler Boot Kit, Tranny & Coolant Filters & many more my wife doesn't need to know about