This Dorman OE FIX brake hydraulic line kit is made of upgraded stainless steel to resist corrosion. This part is compatible with the following vehicles. [Chevrolet Silverado 2500 HD Classic: 2007] – [Chevrolet Silverado 2500 HD: 2003, 2004, 2005, 2006] – [GMC Sierra 2500 HD Classic: 2007] – [GMC Sierra 2500 HD: 2003, 2004, 2005, 2006].