1998 Audi A6 30V; Coupling; 6 Cylinder;. 1999 Audi A6 Coupling; 6 Cylinder;. 2001 Audi A6 Coupling; 6 Cylinder;. 2000 Audi A6 Coupling; 6 Cylinder;. Part Type: Engine Cooling Fan Clutch. Fan Clutch. Ensure that this part fits your vehicle by entering your vehicle's Year, Make, Model, Trim, and Engine in the Compatibility Table.