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.
325,000 miles, PHP Hydra, Stage 1 Full Force Injectors
F-650 Dash w/EV2 Gauges, CT Performance Suspension
F/R EBC Rotors with GreenStuff Pads
NCHornet's CCV, BTS Valve Body, Swamps IDM
DieselSite Engine & Intercooler Boot Kit
DieselSite Tranny & Coolant Filters & many more [/COLOR]