This replacement HVAC heater hose fitting is engineered to match the fit and durability of the stock hose fitting on specified vehicles. It is designed to withstand extreme temperatures to ensure leak-free service. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Buick LaCrosse: 2005, 2006, 2007, 2008, 2009] - [Buick Regal: 1999, 2000, 2001, 2002, 2003, 2004] - [Chevrolet Impala: 2000, 2001, 2002, 2003, 2004, 2005] - [Chevrolet Monte Carlo: 2000, 2001, 2002, 2003, 2004, 2005] - [Pontiac Grand Prix: 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008]