Finish the custom fuel set up in your 2001-2004 Chevy/GMC 6.6L LB7 Duramax. with the Fuel Tank Sumps & Suction Tubes available. A lot of the aftermarket fuel suction tubes are compatible with OEM fuel modules, and feature a larger diameter than original fuel tank pickup. The fuel tank sumps and suction tube kits are often manufactured using premium materials such as billet aluminum. Most fuel tank sumps are designged for a no-tank drop installation and utilize an O-ring gasket for a leak-free seal. Discover the leading companies at XDP, including Diesel RX, BD-Power, No Limit Fabrication, Beans Diesel, Diesel RX, AirDog,FASS, and more.