Audi A4 S4 B6 B7 Headlight Level Sensor Module Leveling Unit Left N/S 8E0907503

Audi A4 S4 B6 B7 Headlight Level Sensor Module Leveling Unit Left N/S is a precision component of the beam height adjustment system, responsible for the proper operation of the automatic headlight leveling in your Audi. This component from the Front lights group stabilizes the lighting system, improving driving comfort and safety on uneven surfaces. Thanks to its factory design intended for A4 and S4 B6/B7 generation models, the sensor ensures a proper fit with the factory suspension and electrical installation.

Specifications and technical data

• SKU: 8E0907503-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 8E0907503
• Substitutable numbers: 8E0907503, 8E0 907 503
• Location on the vehicle: Left
• Category: Headlight Assemblies

Purpose and function in the lighting system

The headlight leveling sensor is responsible for continuously reading the body position relative to the vehicle's axle and transmitting a signal to the headlight control module. In practice, this means that when the vehicle's load changes or when driving on uneven surfaces, the system automatically corrects the headlight beam angle, reducing glare for other road users and improving visibility in front of the vehicle.

The presented element is intended for installation on the left side of the vehicle, which is important when selecting the correct sensor for the specific mounting point on the suspension. Using a dedicated component for this side ensures correct lever geometry and accurate position readings.

Compatibility with Audi A4 / S4 B6 B7

The discussed sensor has been designed for the Audi A4 and S4 B6 and B7 generation platform, which translates into appropriate mounting points and compatibility with the factory electrical system. As a result, installation is straightforward, without the need for modifications to the wiring or mounting adaptations.

In practice, this means:

• maintaining the original operating characteristics of the automatic headlight leveling,
• proper cooperation with the factory headlight control module,
• consistency with the suspension design intended for this generation of Audi.

Performance characteristics and installation

As an element from the Front lights category, the sensor directly affects the quality of road illumination, especially in vehicles equipped with automatic headlight leveling. A properly functioning sensor:

• stabilizes the headlight beam angle during load changes,
• reduces the risk of dazzling oncoming drivers,
• helps maintain compliance with headlight adjustment regulations.

The element is intended for installation in place of the factory sensor, which facilitates the mechanic's work and reduces service time. Replacement involves removing the worn component and installing the presented sensor in the existing mounting points, using the original wiring harness.

Condition and benefits of use

The offered sensor is a used part, which allows for an economical repair of the headlight leveling system while maintaining compliance with factory specifications. This solution is particularly beneficial for vehicles used on a daily basis, where reasonable service costs are important while maintaining the proper operation of key systems.

Using this component allows you to restore the proper operation of the automatic headlight leveling in an Audi A4 or S4 B6/B7, which translates into stable road illumination and more predictable vehicle behavior after dark.

If you are planning a comprehensive repair or upgrade of the front lighting zone in your Audi and need other elements from the same group, such as headlights, control modules, or height adjustment components, check the available parts in the Audi Front lights category.

For drivers interested in a broader approach to the operation and servicing of modern power units, the article dedicated to the maintenance of engine accessories in popular Mercedes models may be helpful – you can find it here: Reliability under the star sign – how to take care of engine accessories in Mercedes-Benz C-Class and E-Class.