This replacement HVAC heater hose assembly is engineered to match the fit and durability of the stock heater hose assembly on specified vehicles. It is designed to withstand extreme temperature changes to extend service life. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Cadillac Escalade ESV: 2003, 2004, 2005, 2006] - [Cadillac Escalade EXT: 2002, 2003, 2004, 2005, 2006] - [Cadillac Escalade: 2002, 2003, 2004, 2005, 2006] - [Chevrolet Avalanche 1500: 2002, 2003, 2004, 2005, 2006] - [Chevrolet Silverado 1500 Classic: 2007] - [Chevrolet Silverado 1500 HD Classic: 2007] - [Chevrolet Silverado 1500 HD: 2001, 2002, 2003, 2005, 2006] - [Chevrolet Silverado 1500: 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006] - [Chevrolet Silverado 2500 HD Classic: 2007] - [Chevrolet Silverado 2500 HD: 2001, 2002, 2003, 2004, 2005, 2006] - [Chevrolet Silverado 2500: 1999, 2000, 2001, 2002, 2003, 2004] - [Chevrolet Suburban 1500: 2000, 2001, 2002, 2003, 2004, 2005, 2006] - [Chevrolet Suburban 2500: 2000, 2001, 2002, 2003, 2004, 2005, 2006] - [Chevrolet Tahoe: 2000, 2001, 2002, 2003, 2004, 2005, 2006] - [GMC Sierra 1500 Classic: 2007] - [GMC Sierra 1500 HD Classic: 2007] - [GMC Sierra 1500 HD: 2001, 2002, 2003, 2005, 2006] - [GMC Sierra 1500: 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006] - [GMC Sierra 2500 HD Classic: 2007] - [GMC Sierra 2500 HD: 2001, 2002, 2003, 2004, 2005, 2006] - [GMC Sierra 2500: 1999, 2000, 2001, 2002, 2003, 2004] - [GMC Yukon XL 1500: 2000, 2001, 2002, 2003, 2004, 2005, 2006] - [GMC Yukon XL 2500: 2000, 2001, 2002, 2003, 2004, 2005, 2006] - [GMC Yukon: 2000, 2001, 2002, 2003, 2004, 2005, 2006]