Original equipment fuel lines often leak due to rust and corrosion. This Dorman OE FIX kit includes upgraded stainless steel fuel lines that increase durability. They are also pre-formed to fit specific vehicles for easier installation. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Chevrolet Silverado 2500 HD Classic: 2007] - [Chevrolet Silverado 2500 HD: 2004, 2005, 2006, 2007, 2008, 2009, 2010] - [Chevrolet Silverado 3500 Classic: 2007] - [Chevrolet Silverado 3500 HD: 2007, 2008, 2009, 2010] - [Chevrolet Silverado 3500: 2004, 2005, 2006] - [GMC Sierra 2500 HD Classic: 2007] - [GMC Sierra 2500 HD: 2004, 2005, 2006, 2007, 2008, 2009, 2010] - [GMC Sierra 3500 Classic: 2007] - [GMC Sierra 3500 HD: 2007, 2008, 2009, 2010] - [GMC Sierra 3500: 2004, 2005, 2006]