Description
Ford Mondeo Mk4 Steering Wheel Air Module Driver Side is an original safety system component designed to work with the factory steering wheel in this model. By adhering to the manufacturer’s specifications, it ensures proper integration with the airbag control system and consistency with other interior components. This used part from the Steering wheels and horn buttons category allows for an economical yet technically correct repair following a collision or module failure.
Specifications and technical data
- SKU: AM21-U042B85-ABW
- Mark: Ford
- Condition: Used
- OEM Part Number: AM21-U042B85-ABW
- Substitutable numbers: 1677413, AM21-U042B85-AB, AM21U042B85ABW, AM21-U042B85-ABW
- Part type: Horn Button
- Category: Steering Wheels & Horn Buttons
Purpose and function in the steering system
The presented airbag module is designed specifically for the driver’s side steering wheel in the fourth-generation Ford Mondeo. It is responsible for the correct deployment of the airbag in the event of a collision, working in conjunction with crash sensors and the SRS control unit. As a genuine Ford part, it maintains the correct mounting geometry, a shape tailored to the steering wheel rim, and compatibility with factory electrical harnesses.
Construction and integration with the steering wheel
The module is structurally prepared for central mounting within the steering wheel rim, in the place of the factory airbag. Integrated mounting points allow for stable seating of the component, and the manufacturer-provided electrical sockets allow for safe connection to the vehicle’s installation. This ensures full functionality of both the airbag system and the horn buttons, which in this model are linked to the central part of the steering wheel.
Benefits of using an original module
Using an original airbag module in the Ford Mondeo Mk4 ensures:
- compliance with the vehicle’s factory safety parameters,
- secure fitment to the steering wheel and steering column structure,
- proper cooperation with the SRS control system and the airbag warning light on the instrument cluster,
- a consistent appearance of the central part of the steering wheel with other interior elements.
For the user, this means stable operation of the passive safety system and no issues with error messages resulting from incompatible replacements.
Condition of the part and service application
The offered module is a used part, which allows for reduced repair costs while maintaining the original manufacturer’s specifications. It is suitable both for replacement after airbag deployment and for system maintenance when it is necessary to swap out a faulty module. When combined with a properly selected steering wheel and a functional SRS controller, it enables the restoration of full safety system functionality in the vehicle.
Related components and technical knowledge
If you are planning a comprehensive repair or upgrade of the steering zone in your Ford and need other components from the same group, such as steering wheel rims, horn buttons, or steering-integrated modules, check out the available parts in the Ford steering wheels and horn buttons category.
For a better understanding of how the entire system works, it is worth referring to a guide describing the construction and common faults – you can find practical information in the article “Steering system and power steering – how it works and what breaks?”, which discusses, among other things, the role of the steering wheel, column, and related modules in modern cars.
If you are considering a broader interior upgrade, including changing the steering wheel itself to a model with a different character, the guide “Personalization and ergonomics – when is it worth replacing the steering wheel with a premium model?” may also be helpful, as it discusses aspects of ergonomics, comfort, and matching the steering wheel to your driving style.
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