Find the Fuel System Plumbing you need to repair or modify the fuel system in your 2011-2016 Chevy/GMC 6.6L LML Duramax. You can build your system with universal components as well as application specific parts. Cushioned hose clamps, fuel pressure regulators, fuel filter delete kits, and fuel lines are just a few of the products you can find for your vehicle. XDP, Vibrant Performance, FASS, and Fuel Lab, are just a few of some of the industry leading brands making components for your truck.