2004 Audi S4. 2005 Audi S4. 2006 Audi S4. 2007 Audi S4. 2008 Audi S4. 2009 Audi S4. Notes: Heater Core Aluminum. Ensure Proper FitTo confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in the Compatibility Table.
