Note- Slider and Barn Door REAR flares are different. Slider Rear Flares is shallower to allow door to clear the flare. There are slider door extenders available to provide more clearance for larger tires and the wider barn door flares. I do not have a link for the extenders.
Rear Flares for Sliding Door Van Part Number 22006-11
Extend-A-Fender Flares; 2 pc.; Rear Tire Coverage On Sliding Door Side 1.50 in. w/Sliding Door Model Only
Rear Flares for Barn Door Van Part Number 22004-11 2-Piece Set, Black, Smooth Finish | Fits 1992-2014 Ford E-150, E-250, E-350 Super Duty Swinging Side Door Model
Front Part Number 22003-11
Bushwacker Extend-A-Fender Extended Front Fender Flares | 2-Piece Set, Black, Smooth Finish | 22003-11 | Fits 1992-2014 Ford E-150, E-250, E-350 Super Duty
Amazon Links:
Front:
https://www.amazon.com/Bushwacker-22...ef_=ast_sto_dp
Rear/ Barn Door
https://www.amazon.com/Bushwacker-22...ef_=ast_sto_dp
Rear/ Slider Door (apparently NOT on sale)
https://www.amazon.com/Bushwacker-22...ef_=ast_sto_dp