Description
Description
Get a Winning Combination When by Pairing Our 40-gallon In-bed Auxiliary Fuel Tank With a ProTech® Tool Box
The sleek, low-profile design of our new 40-gallon in-bed auxiliary fuel tank allows it to fit under most over-the-rail toolboxes, including ProTech® Tool Boxes, as well as underneath tonneau covers. This auxiliary system is controlled by our patented TRAX 4™ operating system.
Computer-controlled automatic fuel transfers mean worry-free operation, and much safer and more reliable operations than gravity-fed systems. Based on the capacity of your vehicle's main fuel tank and the capacity of the Transfer Flow fuel tank, the TRAX 4™ system will transfer fuel at predetermined fuel levels while the vehicle is in operation.
Features & Benefits
- Robot-welded seams provide extraordinary strength
- Comes complete with all components for installation
- Add refueling capabilities to your 40-gallon under-tool box auxiliary fuel tank with our optional refueling kit (part no. 0200117482)
- TRAX 4™ computer-controlled automatic fuel transfers for worry-free operation
- Built from 12- and 14-gauge high-yield U.S. aluminized steel, for superior durability and strength
- Baffled to prevent fuel sloshing
- 6-year, unlimited mile warranty
- Made in the USA from American-made steel
Notes:
- If you use the 5th Wheel Prep Package on your 2013-24 Ram, this tank will not fit.
- 2010-12 Ram Mega Cab short bed pickup with single rear wheels require a filler neck (part no. 0500115461)
- Cover plate required if not using fuel tank with a tool box (part no. 0400117477)
Product Specifications
Product Specifications
Vehicle Fitment
Vehicle Fitment
Install Details
Install Details

PRODUCT VIDEOS
PRODUCT VIDEOS
Where Here to Help!
Have a question or having trouble making a decision about what product is best for your vehicle and needs? Give our experienced customer service a call!
What shipping methods are available?
Shipping methods vary depending on the item. Many heavy or oversized products ship via LTL freight to help prevent damage in transit, while smaller items ship parcel; and some parcel orders can even be upgraded to freight for added protection. Many products also ship free, and your total shipping cost will always be shown at checkout before payment.
What payment methods do you accept?
We accept all major credit cards along with Apple Pay, Google Pay, PayPal, Shop Pay, and Shop Pay Installments. Government agencies, municipalities, and large fleet customers can also pay via purchase order with approved terms—just contact our customer service team before placing your order.
How long will delivery take?
Most orders ship within 1 business day from one of our warehouse locations. Typical transit times are 1-3 business days for parcel shipments and 3-5 business days for LTL freight, though delivery times may vary based on your location and carrier conditions. If an item has an extended lead time, it will be clearly noted on the product page.
What is your return policy?
Most unused items can be returned within 60 days of purchase. Every order is also backed by our Upfit Shield Guarantee for added peace of mind. For full details, including return eligibility and warranty coverage, please review our Return Policy page.
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