New OEM Genuine Ford Rear Corner Bed Reinforcement - Not Aftermarket Junk!
New, never installed, has some scratches from sitting on a shelf, but it will need to be painted anyway.
#20 in the diagram. Rear Left Driver (USA) side of the truck bed.
Fits: 2017-2022 F250-F550 Super Duty
See item specifics for part numbers to verify fitment