Make installing an aftermarket lift pump in your 2020-2023 Chevy/GMC 6.6L L5P Duramax a breeze with the Fuel Tank Sumps & Suction Tubes available. Most fuel tank sumps are made from premium materials such as CNC machined billet aluminum. A lot of the aftermarket fuel suction tubes are compatible with OEM fuel modules, and feature a larger diameter than original fuel tank pickup. Most fuel tank sumps are designed with an o-ring gasket for a leak-free seal and feature a no-tank drop installation. Find the top manufacturers such as XDP, Diesel RX, BD-Power, No Limit Fabrication, Beans Diesel, Diesel RX, FASS, and more available at XDP.