The Audi A5 8T Heater Water Coolant Pump Control Unit Valve 4H0121671D is a Grade A quality heater control valve specifically designed for a 2007 Audi A5 with 59 miles on the clock. This genuine part, with manufacturer part number 4H0121671D, ensures efficient heating and coolant system functionality. It is compatible with the vehicle identification number WAUZZZ8TX8A016323 and comes with reference OE/OEM numbers 4H0 121 671 D and 4H0121671D, making it a reliable choice for maintaining the heating and cooling system of your Audi A5.