REBUILD SERVICE FOR YOUR HEAT & AC HVAC CONTROL MODULE ON 2003-2006 FROM VIN M45255 TO N57539 S-TYPE WITH NAVIGATION (THIS SERVICE IS NOT AVAILABLE FOR CARS WITHOUT NAVIGATION). 100%-LIFETIME WARRANTY. WE MUST HAVE THE PART# OFF OF YOUR ORIGINAL UNIT FOR OUR RECORDS! You will need to ship me your module and you will get it back in 3-4 business days. Common Jaguar part numbers we rebuild are: 2R8H18C612CD 2R8H18C612CE 2R8H18C612CF XR837742 XR839228. WE MUST HAVE THE PART# OFF OF YOUR ORIGINAL UNIT! (XR850830)