Auxiliary LT70T

Tonneau Fuel Tank 

The tonneau fuel tank only Fuelbox LT70T is a L-Shape tank designed tow work with tonneau covers that have canisters. This tank will work with most tonneau covers but use the dimensions provided to verify it will work with your tonneau cover application. 

The LT70T is constructed of high-quality .125 marine grade aluminum; meets or exceeds all DOT & EPA regulations for diesel fuel. The auxiliary tank has 90 flange reinforced seam design, which doubles weld joint thickness for stronger welds. The auxiliary tank includes a minimum of 2 interior baffles and is pressure tested under water. Compatible with the Auto Fuel Controller system.  


  • Auto Fuel Controller system
  • Locking Gas Cap
  • Smooth Finish
  • Spray On Liner Finish


  • LT70T Fuelbox $1,150 Diamond Plate
  • LT70T Fuelbox $1,200 Smooth
  • Spray On Liner Outside $150
  • Auto Fuel Controller & Complete install kit with instructions $395
  • Locking Gas Cap $16.99
  • BedStep $295

Vehicle Applications 

8' Long bed pickups 

View Ordering Instructions
Model Gal. A B C D E F G
LT70T 70* 18.81 in. 28 in. 53 in. 8 in. 17 in. 8.5 in. 11 in.

" ID="427" order_by="sortorder" order_direction="ASC" returns="included" maximum_entity_count="500"]

*Approximate Gallon Capacity