The Titan Tank 7030303 is a 60 Gallon replacement fuel tank for the 2003-2012 Cummins 2500/3500 Crew Cab Long Box truck. The 7030303 increases your overall fuel-carrying capacity by 26 gallons and mounts in the stock location.

The Titan Tank is built from their famous military-grade, cross-linked polyethylene (XLHDPE). It’s at least ¼” thick and built to outlast all competitors. It’s tougher than steel and more durable than aluminum. The tank comes complete with a black-coated, galvanized steel mounting strap, plated and galvanized front support system, rollover safety vent valve, and accessories.