Genuine OEM Jaguar Antenna Insulator, part number C2Z16143. This damping element is designed to provide crucial electrical insulation for components within the vehicle's antenna system, typically located in the roof area. Its function is to prevent short circuits and signal interference, ensuring optimal performance of radio, navigation, or telematics systems. Weighing approximately 0.044 kg, this small but critical component maintains electrical integrity. Using a genuine OEM insulator ensures the correct dielectric properties and precise fit, which are vital for maintaining signal clarity and the longevity of sensitive electronic equipment.