This door window switch is designed to match the fit, function and performance of the factory switch on specified vehicles. It is engineered to help restore window switch functionality to original equipment standards when the factory part is missing, broken, or has failed from internal electrical or mechanical component damage. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Chevrolet Silverado 1500 Classic: 2007] - [Chevrolet Silverado 1500: 2003, 2004, 2005, 2006] - [Chevrolet Silverado 2500 HD Classic: 2007] - [Chevrolet Silverado 2500 HD: 2003, 2004, 2005, 2006] - [Chevrolet Silverado 2500: 2003, 2004, 2005, 2006] - [Chevrolet Silverado 3500 Classic: 2007] - [Chevrolet Silverado 3500: 2003, 2004, 2005, 2006] - [GMC Sierra 1500 Classic: 2007] - [GMC Sierra 1500: 2003, 2004, 2005, 2006] - [GMC Sierra 2500 HD Classic: 2007] - [GMC Sierra 2500 HD: 2003, 2004, 2005, 2006] - [GMC Sierra 2500: 2003, 2004] - [GMC Sierra 3500 Classic: 2007] - [GMC Sierra 3500: 2003, 2004, 2005, 2006]