2004.5-2005 GM 2500HD/3500HD 6.6L LLY Duramax Midship and Transfer Tanks

Improve your GM 2500HD/3500HD fuel system with our extensive range of midship and transfer tanks. Whether you're replacing your existing tank or aiming to extend your driving range, our tanks provide increased capacities to help you stay on the road longer—whether you're on the highway or off the beaten path. Designed to enhance fuel efficiency, our replacement tanks minimize the need for frequent refueling stops. For even greater fuel capacity, our auxiliary tanks seamlessly integrate with your OE system, allowing you to retain your original tank while adding extra storage. Say goodbye to fuel range anxiety with our durable, heavy-duty midship and transfer tanks! Pair your midship or transfer tank with our full selection of Fuel Upgrades. GM Duramax Fitments: 2004, 2005 GM 6.6L Duramax. Submodel Fitments: WT, Custom, LT, LTZ, High Country, 1LT, 2LT, Pro, SLE, SLT, AT4, Denali. Some exceptions apply, please see individual product pages for specific fitments.