RCC,

Gentex is the supplier to Ford for the mirror. The "Ford Parts" mirror is $750, I did my whole camera/mirror setup for the same price. Depending on the camera and labor you should be able to do it for less that that.

Mito is the licensed vendor for aftermarket sales for the GEN50K242 mirror.

The only gotcha is you need to check to see what your current mirror supplies for wire signals to the rest of your truck. In my case (07-F150) it also supplied the external mirror dimming informaiton. I've found out recently that the 08-F150 compass data also is provided from the stock mirror.

So on your 08-F250 you may want to have the dealer check the wiring diagram to see what is there currently.

Good Luck!