The locker will fit the front 8.8" IFS on the 2009-2019 F150s. The 2009-2019 front 8.8" uses 31-spline axles and C-clips like the rear. Since this is a locker and not an LSD with directional gears/clutches, there's no reason why this differential won't work on the front, though you do have to drill and use a grommet to run the wiring. We have not done an install ourselves as of yet (we are hoping to in the near future), but several customers have without issues.