Heater Control Water Valve HVAC Vacuum Solenoid Valve YW4H18495AA 5 Port Compatible Replacement Jaguar S Type Lincoln Ls Ford Thunderbird 2000 2003 34761984 42eb 4e09 82dd 4643692da969.5185850d51c5a1fd5c8ae45392ce7bec Replace Part Number - 147412148,XR822975,XW4Z18495AA,YW4H18495AA Silscvtt Heater Control Water Valve HVAC Vacuum Solenoid Valve YW4H18495AA 5-Port Compatible Replacement for Ford Thunderbird Jaguar S-Type Lincoln LS 2000-2003 in Heater Control Valves Vehicle Compatibility - Replacement for Jaguar S-Type 2000-2001;Replacement for Lincoln LS 2000-2003;Replacement for Ford Thunderbird 2002-2003 Silscvtt Black Adjustable Proportioning Valve & Distribution Block... Package Included - 1x Heater Control Water Valve Automatic Valve X1-AA-5 Solenoid Valve Valve Note - A faulty heater control valve may also cause the temperature gauge to behave erratically, rapidly climbing and falling,which will make it difficult to determine the temperature of the engine, you need to replace the heater control valve