Quality aluminum truck bed fuel tanks and fuel transfer tanks built to fit any full-size truck.
Low Profile Fuel Tanks for Truck Bed — Tank Retailer
Best Auxiliary Fuel Tanks for Ford Pickup Trucks — Tank Retailer
Aluminum Auxiliary Truck Diesel fuel tanks - Aluminum Tanks and Tank Accessories
Aluminum Under Bed Cover Auxiliary Tanks.
Transfer Tanks - Douglass Truck Bodies
Truck Bed Transfer Tank - Backcountry Pilot
L-Shaped Fuel Transfer Tank, Fuel Transfer Tanks
L-Shaped Fuel Transfer Tank, Fuel Transfer Tanks
Any transfer tanks that will fit under a bed cover? - TractorByNet
Diesel Transfer Tanks: Poly vs Steel