anyone have heard of having to replace break peadle on a 08 with 50,000 on it on 2008 Ford F-250 Super Duty

it moves left and right about a inch sounds like a manufacture problem to me

Asked by for the 2008 Ford F-250 Super Duty
You didn't say. Did you ask dealer about it to see if covered? What is the bumper to bumper coverage on the vehicle?
It had 3 year 36,000 mile bumper to bumper they wanted 360.00 to install new one