The 2003-2005 Range Rover 4.4L Xenon Ballast Control Unit 307329074 is a genuine Land Rover product designed to provide accurate fitment for the specified vehicle model. It is a crucial component for ensuring proper functionality of the Xenon ballast system on the front left and right sides of the vehicle. This non-modified part includes all necessary components and features 100% accuracy of fit, making it a reliable choice for maintenance and repair of the Range Rover 4.4L model.