Audi A3 S3 8Y Front Distance Radar Sensor Control Module Unit 5WA907819

Audi A3 S3 8Y Front Distance Radar Sensor Control Module Unit is a factory-fitted driver assistance system component, responsible for precise distance measurement in front of the vehicle and transmitting data to safety systems. This component from the Lidar and radar sensors group operates in the front zone of the car, supporting the operation of advanced assistance systems. Thanks to its original design, it ensures operational consistency with Audi's onboard electronics.

Specifications and technical data

• SKU: 5WA907550
• Mark: Audi
• Condition: Used
• OEM Part Number: 5WA907550
• Substitutable numbers: 5WA907550, 5WA 907 550, 5WA907819, 5WA 907 819
• Location on the vehicle: Front
• Part type: Sensor
• Category: Lidar & Radar Sensors

Purpose and function in the vehicle

The front distance radar in the Audi A3 / S3 8Y generation is responsible for continuous monitoring of the space in front of the car. Based on the sensor signal, the assistance system controller can:

• analyze the distance to preceding vehicles,
• support the operation of adaptive safety systems,
• transmit information about road conditions to the data bus. Its placement in the front part of the body allows for a wide field of "view" and stable operation in typical road conditions. Precise radar beam characteristics are crucial for the correct reaction of driver assistance systems.

Benefits of using an original Audi radar

Using an original Audi distance radar ensures:

• full compatibility with vehicle software – the controller communicates with factory electronics without the need for installation modifications,
• stable operating parameters – the sensor was designed specifically for the Audi A3 / S3 8Y platform,
• proper cooperation with other safety and comfort modules. For the user, this means predictable operation of assistance systems and a reduction in the risk of communication errors in the vehicle network. Hardware and software consistency is of particular importance in the case of components responsible for safety.

Installation characteristics and vehicle integration

The radar is designed for installation in the front body zone, in the location structurally intended by the manufacturer. Thanks to this:

• the proper geometry and operating angle of the sensor are maintained,
• correct calibration is possible within the scope of service procedures,
• the electrical installation remains consistent with the factory diagram. When replacing, it is recommended to perform calibration in accordance with the Audi service procedure to ensure correct interpretation of distances and objects by the assistance systems.

Professional dismantling and condition of the component

The offered radar comes from professional dismantling and is a used component, which allows for an economical repair of the system while maintaining factory specifications. This type of solution is particularly beneficial when you care about:

• maintaining the original Audi electronic architecture,
• reducing costs compared to a new component,
• maintaining the high quality of workmanship typical for OE parts. Before installation, it is worth verifying the configuration compatibility with the equipment of the specific vehicle and planning any necessary programming or adaptation at a specialized service center.

More about used electronics and related components

If you want to make an informed decision on when it is worth installing used electronic modules and sensors, it is worth reading our guide: The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors? If you are planning a comprehensive repair or upgrade of the front zone and assistance systems in your Audi and need other elements from the same group, such as additional sensors, distance measurement modules, or radar controllers, check the available parts in the Audi Lidar and radar sensors category.