Make installing an aftermarket lift pump in your 2006-2007 Chevy/GMC 6.6L LLY/LBZ Duramax a breeze with the Fuel Tank Sumps & Suction Tubes available. The suction tubes offered use a larger diameter fuel pickup and in some cases can work with the stock fuel sending unit. Most fuel tank sumps are designed with an o-ring gasket for a leak-free seal and feature a no-tank drop installation. The fuel tank sumps and suction tube kits are often manufactured using premium materials such as billet aluminum. Find the top manufacturers such as XDP, Diesel RX, BD-Power, No Limit Fabrication, Beans Diesel, Diesel RX, FASS, and more available at XDP.