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. [Audi A3: 1997, 1998, 1999, 2000, 2001, 2002, 2003] - [Audi TT Quattro: 2000, 2001, 2002] - [Audi TT: 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006] - [Volkswagen Golf: 2000, 2001, 2002, 2003, 2004, 2005, 2006] - [Volkswagen Jetta: 2000, 2001, 2002, 2003, 2004, 2005]