Water flange including base seal, located at the end of the cylinder head. Engine fitment codes: T4 1X, ABL, 1.9 diesel AAC, 2.0 petrol Mk4 Golf For vehicles with Tiptronic and engine code AUY, and automatic 1.9 TDI AUY engine with Tiptronic 115BHP 1.9 TDI Automatic ASZ 130BHP and ATD 100 BHP .