Audi R8 42 Air Unit Module Steering Wheel Driver Right O/S 420880201C

Visual condition of the part

The product shows signs of use visible in the photos.

Audi R8 42 Air Unit Module Steering Wheel Driver Right O/S is a specialized safety system component designed to work with the steering wheel and control installation in this model. As part of the Steering wheels and horn buttons group, it is responsible for the proper operation of the driver's airbag and integration with other steering system components. This used OEM component allows for a technically correct replacement of a damaged module without interfering with the vehicle's structure.

Specifications and technical data

• SKU: 420880201C
• Mark: Audi
• Condition: Used
• OEM Part Number: 420880201C
• Substitutable numbers: 420880201C, 420 880 201 C
• Location on the vehicle: Right
• Category: Steering Wheels & Horn Buttons

Purpose and function in the steering system

The described module is responsible for the interaction between the driver's airbag and the electrical and control system in the Audi R8. It is mounted on the right side of the steering column, which is important when selecting parts for a specific vehicle configuration. Its task is to ensure proper communication between the safety controller, the steering wheel, and the horn buttons, so that the system reacts according to the manufacturer's specifications.

By maintaining factory geometry and connectors, the module allows for the restoration of original wiring paths and stable mounting within the steering column. This is important both from a safety perspective and for subsequent steering system diagnostics.

Compatibility and vehicle integration

As a part intended for Audi, the module is designed to operate within the specific electrical and mechanical environment of this model. Proper fitment with the steering wheel, driver's airbag, and horn buttons reduces the risk of installation errors and facilitates service. Using an original solution allows for maintaining:

• consistency with the factory electrical installation of the steering system,
• proper operation of safety functions related to the driver's airbag,
• correct interaction with horn buttons and other elements on the steering wheel.

For workshops and users, this means predictable system behavior and easier diagnostics of any potential faults in the future.

Characteristics of the used component

The offered module comes from the secondary market, which allows for economical repair while maintaining the original Audi design. A used component is a good solution in situations where the priority is to restore full functionality of the steering and safety system at reasonable service costs. Before installation, it is recommended to perform a standard inspection of the installation and verify the correct operation of the airbag system using an appropriate diagnostic tester.

Technical support and additional information

To better understand the role of such modules in the vehicle, it is worth familiarizing yourself with the operating principle of the entire steering and power steering system. A practical discussion of the construction, typical faults, and example components, such as steering wheels or columns, can be found in the article Steering and power steering system – how it works and what breaks?, which helps in informed planning of repairs and diagnostics.

If you are planning a comprehensive repair or upgrade of the steering area in your Audi and need other elements from the same group, such as steering wheel rims, horn buttons, or control modules within the wheel, check the available parts in the Audi steering wheels and horn buttons category.