Engine: 6.6L 403 CID V8 Duramax. Quick Fix Fuel Lines for 01-10 GM 2500 HD / 3500 / 3500 HD, Ext Cab, Diesel - MDFF0007SS. They are Pre-Cut to the exact length for your vehicle. Unlike the original fuel lines that use hard steel lines and rubber hose, our Quick-Fix Fuel Line Kits use a braided stainless steel fuel line that will connect to your fuel tank (or drop hoses) and run all the way up to the fuel rail.
