Air and Fuel› Fuel Cells, Tanks and Components

Transfer Flow

40 GALLON UNDER TOOLBOX AUXILIARY F

$3,317.57

SKU: T01G 0800117470

In Stock
In Stock
Ships by Jun 8
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Transfer Flow 0800117470 is a 40-gallon steel under toolbox auxiliary tank designed to fit under most over-the-rail toolboxes and tonneau covers, offering increased fuel capacity for trucks.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandTransfer Flow
Part NumberT01G 0800117470

Videos

Diamond Plate Toolbox/Fuel Tank Combo - Transfer Flow, Inc.

Diamond Plate Toolbox/Fuel Tank Combo - Transfer Flow, Inc.
Transfer Flow In-Bed Auxiliary Fuel Tank System

Transfer Flow In-Bed Auxiliary Fuel Tank System
How to install a Transfer Flow Auxiliary Fuel Tank & Tool Box Combo

How to install a Transfer Flow Auxiliary Fuel Tank & Tool Box Combo
Transfer Flow 40 Gallon Refueling Assembly

Transfer Flow 40 Gallon Refueling Assembly
EXTRA 40 Gallon Gas Tank on 2022 Ford F350 Tremor + FULL REVIEW

EXTRA 40 Gallon Gas Tank on 2022 Ford F350 Tremor + FULL REVIEW

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy