Titan Fuel Tank, Duramax, Short Bed - 17-19 GM 2500/3500

56 Gallon*, extra capacity, extra heavy duty, midship replacement fuel tank for 2017-2019 GM 2500HD and 3500HD pickups with Crew Cabs, 6 ½ ft. beds, and Duramax diesel engines.

Tank comes complete with black, baked epoxy-coated, galvanized steel mounting straps. Tapered tank features exclusive low fuel trap design so most every gallon can be used, and it hangs approximately only 2.5” below bottom of the stock tank shield. TITAN’s Generation 6 tanks feature the TITAN Torque Ring™ OEM style sending unit mounting system for easy, positive installation.

TITAN Fuel Tanks Direct Replacement, Mid-Ship Fuel Tanks are manufactured to use the trucks stock/original equipment fuel sending unit. The trucks stock sending unit is removed from the stock tank and mounted into the TITAN tank. They are a direct fit, there are no modifications needed. With use of the stock sending unit, the trucks analog fuel gauge will read correct and accurate with the TITAN tank.

This new General Motors tank is made of our famous military grade, cross-linked polymer (XLHDPE). It’s at least ¼” thick and built to outlast all competitors. It’s tougher than steel and more durable than aluminum. Like all fine TITAN products, this new design has undergone extensive testing. Our legendary products are so tough and well-proven that we back them with a Lifetime Warranty+! No cutting, drilling or fabrication required for installation.


For model years 2017-2019.
For 2500HD and 3500HD Models with Duramax Engines.

The TITAN tank is 20 gallons larger at 56 gallons. The stock tank is only 36 gallons.

Note: For use with diesel fuel ONLY!

Additional Details

Our mid-ship, direct replacement fuel tanks use your trucks stock/OE sending unit. An aftermarket or upgraded sending unit is not needed or required in anyway.

For those wishing to use an aftermarket sending unit, our tanks are compatible with Fleece, AirDog, FASS, etc.

Fitment of our mid-ship, direct replacement fuel tanks do not interfere nor is there any modifications needed when using them with;
-AMP or other powered steps
-Air bag suspension systems

Our extra large fuel tanks provide freedom; freedom to chase your dreams, freedom to explore, freedom to adventure further, freedom to get where you need to when it matters without having to worry about fuel, freedom to be there for your family and loved ones when needed. Each and every extra large fuel tank as well as all of the parts included are made right here in the greatest country on the face of the Earth, the United States of America. We are proud to be the only cross-linked polymer fuel tanks on the market that are made here and are tough enough to be backed by an Lifetime Warranty. Innovation, quality, durability, refinement—are all synonymous with the name TITAN Fuel Tanks. We stand squarely behind them with our industry-leading Lifetime Warranty. With our tanks, no carbon steel comes in contact with your fuel at any time. A feature that leads the way by ensuring against corrosion and fuel contamination.

Technical Service Bulletin:
Affected vehicles: 2019+ GM 6.6L diesel trucks.
Issue : Fuel gauge drops to empty after Initial Install and during normal operation.
Explanation: GM trucks have the ability through programming and monitoring to know exactly how much fuel is in the tank, as well as fuel consumption based on miles driven and fuel economy. Any large capacity fuel tank causes the float to move slower than the computer thinks is acceptable. When the computer sees this, it will run a system check and drop the fuel gauge to empty. When the fuel level comes off full, the gauge should return to the correction position after restarting the vehicle.
Solution: Although we were told early on that trucks have fixed themselves after several tanks of fuel when following a specific process, we are no longer able to confirm this or any other permanent fix for this issue. If this is a concern for you, we recommend using an aftermarket digital monitor to confirm accurate fuel level when this occurs.

Fitment Notes:
-This tank (7010217) does not fit with the B&W model 1016 Turnoverball Hitch or the Curt model 60642.

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