Aftermarket Fuel Tanks

Legal Aftermarket Fuel Tank System! Increase your tow truck or car carriers fuel capacity by removing your existing fuel tank and installing a Transfer Flow Tank from Zips.

Integrated mounting angles and dual outlet and return ports for flexible mounting options. An internal full size baffle between the outlet and return ports and long lasting black powder coated finish.

International style 51 Gallon Milgrade D shape tank with INT adapter plate (1/2"draw and 3/8" return tube) and 2" fill neck.

This is a cast aluminum fuel fill bracket that mounts in the rear of the truck. This bracket is the perfect finishing touch to give your road service body a clean, custom look.

With two 50-gallon tanks in the back of your truck, this unique tank system provides the most versatility while holding two different types of fuel. Our 50/50 split refueling tank system is Department of Transportation (DOT) legal to carry and transfer gasoline, diesel, methanol/ethanol, and kerosene. The easy-to-use hose-purge feature allows you to pull any fuel left in the hose back into the refueling tanks to eliminate messes in the truck bed and stretch your extra fuel capacity even further. The 50/50 split refueling tank is made from 12-gauge ReliaSteel, high-yield U.S. aluminized steel, for superior durability and strength; and powder coated black for durable satin finish. This tank system comes with two 50-gallon fuel tanks, two 12-volt refueling pumps, two 12-foot hoses, two nozzles, two wire harnesses with dash-mounted power switches, mounting hardware, and rollover valves. NOTE: Product dimensions include 3"" in width for the mounting brackets and 3"" in height for the filler neck. NOTE: Accuracy of optional Rochester fuel gauge may be less depending upon tank shape and if tank is on a level surface. Accuracy may be less near full and empty.

Kick the fuel cans to the curb when you install a safe, legal, and reliable Transfer Flow refueling tank in the bed of your pickup truck. Perfect for refueling vehicles or equipment on the go, our refueling tanks will save you time, money, and hassle. Our 40-gallon refueling tank system is Department of Transportation (DOT) legal to carry and transfer gasoline, diesel, and kerosene. The compact design of the 40-gallon refueling tank fits under most tonneau covers and sits comfortably in the bed of all light and heavy duty trucks. The 40-gallon refueling tank is made from 12-gauge ReliaSteel?, high-yield U.S. aluminized steel, for superior durability and strength; and powder coated black for durable satin finish. As with all Transfer Flow fuel tank systems, this refueling tank comes complete with all parts needed for installation, down to the last zip tie. NOTE: Product dimensions include 3"" in width for the mounting brackets and 3"" in height for the filler neck. NOTE: Accuracy of optional Rochester fuel gauge may be less depending upon tank shape and if tank is on a level surface. Accuracy may be less near full and empty.

Note: Special Handling Fees Apply

The 109-gallon refueling tank is made from 12-gauge ReliaSteel, high-yield U.S. aluminized steel, for superior durability and strength; and powder coated black for durable satin finish. As with all Transfer Flow fuel tank systems, this refueling tank comes complete with all parts needed for installation, down to the last zip tie.

• 2010-2021 Dodge/Ram, 2008-2022 Ford, 2010-2021 GM/Chevy
• 60.75"Lx26.75"Wx22.75"H
• Recommended for drivers with long or flat bed trucks who want maximum onboard fuel capacity in an attractive and durable aluminum tank system build for the long haul
• Won't interfere with standard 5th wheel hitch
• Robot-welded seams provide extraordinary strength, unlike rotationally molded plastic tanks or cheaper steel brands
• Our fuel tank systems include all components needed for installation
• TRAX 4 computer-controlled automatic fuel transfers for worry-free operation with exclusive AutoTrans? technology
• Built from ReliaSteel?, high-yield U.S. aluminized steel powder coated black for superior durability and strength
• Baffled to prevent fuel sloshing
• 6 year, unlimited mile warranty
• Made in the USA
• Optional upgrade: spray-on-textured coating

Our 40-gallon refueling tank and tool box combo is the perfect solution for drivers who want a mobile refueling station onboard with 6 cubic feet to securely store gear and equipment. The 40-gallon refueling tank is Department of Transportation (DOT) legal to carry and transfer gasoline, diesel, and kerosene fuels, and features an easy-to-use purge function that moves remaining fuel from the hose back into the fuel tank. The tool box is equipped with locking paddle handles and gas-filled shocks that make it easy to open and close the tool box lid. The 40-gallon refueling tank is made from 14-gauge ReliaSteel, high-yield U.S. aluminized steel for superior durability and strength; and powder coated for durable satin black finish. As with all Transfer Flow fuel tank systems, this refueling tank comes complete with all parts needed for installation, down to the last zip tie.

Note: Special Handling Fees Apply

The all-in-one auxiliary fuel tank and tool box combo is the best of both worlds, providing more fuel and secure storage for all your adventures. Our 40-gallon fuel tank and tool box combo sits nearly flush with most pickup bed rails and won t interfere with most standard fifth wheel hitches. With 6 cubic feet of storage space and locking paddle handles, you can rest easy knowing your cargo and fuel is secure. The auxiliary system is computer-controlled by our patented TRAX 4 operating system with patented AutoTrans? technology. 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. Want to know the status of your on-board fuel systems? Simply download the TRAX 4 app to your smart phone and enter your vehicle and fuel system information. In no time, you ll be able to monitor your pickup s fuel capacity! During fuel transfer, the message PUMP ON will be displayed. You also have the option of displaying either the gallons or the percentage of fuel in each tank. If you prefer not to use our TRAX 4 app with your auxiliary tank but still want to know how much fuel you have, Transfer Flow offers an in-cab fuel level monitor LCD. The LCD shows the fuel level of the auxiliary tank with an easy-to-read bar graph that decreases when fuel is transferred to the pickup s main fuel tank. This item is sold separately. Transfer Flow fuel tanks are built from ReliaSteel?, high-yield U.S. aluminized steel; and powder coated black for superior corrosion resistance and strength.

• 2010-2021 Dodge/Ram, 2008-2022 Ford, 2010-2021 GM/Chevy
• Recommended for drivers who want extra fuel capacity and a safe place to store their gear
• TRAX 4 computer-controlled automatic fuel transfers for worry-free operation with exclusive AutoTrans? technology
• Perfect for RVers, contractors, and outdoor enthusiasts
• Comes complete with all components needed for installation
• Built from ReliaSteel?, high-yield U.S. aluminized steel for superior durability and strength
• Powder coated black for a durable satin black finish
• 6 cubic ft. of storage space (Storage dimensions: 59 L ? 18 W ? 9 3/4 H)
• Gas-filled shocks for easy opening and closing
• Stainless steel locking paddle handles
• Baffled to prevent fuel sloshing
• 6 year, unlimited mile warranty
• Made in the USA

Please Note: Product Discontinued - ALL SALES FINAL!

Discontinued items are not eligible for return. View Returns Policy

Goodall by Vanair 6 gal. capacity fuel tank.

Fill your diesel fuel needs with a safe, legal, and reliable refueling tank from Transfer Flow. The 50-gallon refueling tank is rugged and durability-tested to hold up to daily use. Transfer Flow's 50-gallon refueling tank is legal to carry diesel fuel, and has two internal baffles to reduce fuel sloshing. The refueling tank is made from 14-gauge aluminized steel for superior corrosion resistance, and is powder coated black for a durable finish. It comes with fuel cap, mounting kit, and installation instructions. Compatible with GPI and Fill-Rite 15-GPM refueling pumps (sold separately). THIS TANK IS NOT TO BE USED FOR GASOLINE.

Keep the adventure revving mile after mile with a mobile refueling station in the bed of your pickup truck. Our 50-gallon refueling tank system is Department of Transportation (DOT) legal to carry and transfer gasoline, diesel, methanol/ethanol, and kerosene. The easy-to-use hose-purge feature allows you to pull any fuel left in the hose back into the refueling tank to eliminate messes in the truck bed and stretch your extra fuel capacity even further. The 50-gallon refueling tank is made from 12-gauge ReliaSteel, high-yield U.S. aluminized steel for superior durability and strength; and powder coated black for durable satin finish. As with all Transfer Flow fuel tank systems, this refueling tank comes complete with all parts needed for installation, down to the last zip tie. NOTE: Product dimensions include 3"" in width for the mounting brackets and 3"" in height for the filler neck. NOTE: Accuracy of optional Rochester fuel gauge may be less depending upon tank shape and if tank is on a level surface. Accuracy may be less near full and empty.

Note: Special Handling Fees Apply

Our 82-gallon refueling tank system is the largest capacity refueling tank available that fits in a short bed pickup truck. It s Department of Transportation (DOT) legal to carry and transfer gasoline, diesel, methanol/ethanol, and kerosene. The easy-to-use hose-purge feature allows you to pull any fuel left in the hose back into the refueling tank to eliminate messes in the truck bed and stretch your extra fuel capacity even further. The 82-gallon refueling tank is made from 12-gauge ReliaSteel, high-yield U.S. aluminized steel, for superior durability and strength; and powder coated black for durable satin finish. As with all Transfer Flow fuel tank systems, this refueling tank comes complete with all parts needed for installation, down to the last zip tie. NOTE: Product dimensions include 3"" in width for the mounting brackets and 3"" in height for the filler neck. NOTE: Accuracy of optional Rochester fuel gauge may be less depending upon tank shape and if tank is on a level surface. Accuracy may be less near full and empty.