Genuine OEM Audi Roof Combination Antenna, part number 4N0035503ALY9B. This exterior component is designed to receive and transmit multiple types of radio signals, such as for radio, navigation, and telematics systems. It is mounted on the vehicle's roof, providing comprehensive signal reception and a sleek, aerodynamic profile. Finished in Brilliant Black (Y9B), this antenna measures approximately 0.11 meters in length and weighs 0.245 kg. Opting for a genuine OEM combination antenna guarantees correct signal calibration for all integrated systems, superior weather resistance, and a perfect colour match and fit with the vehicle's body, preserving its original appearance and functionality.