This frame crossmember replaces an original equipment part damaged by corrosion or impact. Made of durable steel for a reliable, long-lasting repair, this part matches the factory dimensions for an accurate and true frame repair. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Chevrolet Avalanche 2500: 2002, 2003, 2004, 2005, 2006] - [Chevrolet Silverado 2500 HD Classic: 2007] - [Chevrolet Silverado 2500 HD: 2001, 2002, 2003, 2004, 2005, 2006] - [Chevrolet Silverado 2500: 2001, 2002, 2003, 2004, 2005, 2006] - [Chevrolet Silverado 3500 Classic: 2007] - [Chevrolet Silverado 3500: 2005, 2006] - [GMC Sierra 2500 HD Classic: 2007] - [GMC Sierra 2500 HD: 2001, 2002, 2003, 2004, 2005, 2006] - [GMC Sierra 2500: 2001, 2002, 2003, 2004] - [GMC Sierra 3500 Classic: 2007] - [GMC Sierra 3500: 2005, 2006]