Audi A4 B8 Antenna Amplifier Aerial Module Control Unit Right O/S 8K9035225F

Audi A4 B8 Antenna Amplifier Aerial Module Control Unit Right O/S is an original component from the Electronic control modules and controllers group, designed for precise management of the antenna signal in the vehicle. Thanks to its factory design, it ensures consistency with the car's electrical installation and stable operation of radio and multimedia systems.

Specifications and technical data

• SKU: 8K9035225F
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K9035225F
• Substitutable numbers: 8K9035225F, 8K9 035 225 F
• Location on the vehicle: Right
• Category: ECUs & Computer Modules

Purpose and function in the vehicle

This antenna amplifier acts as a dedicated control module for the antenna signal on the right side of the vehicle body. It is responsible for:

• amplifying and stabilizing the radio signal received by the antenna,
• cooperation with factory Audi multimedia systems,
• maintaining appropriate electrical parameters in the antenna circuit.

By using an original module, full compatibility with the vehicle's electrical architecture is maintained, which reduces the risk of interference and communication problems between controllers.

Construction and fitment for Audi A4 B8

The amplifier has been designed specifically for the Audi A4 B8 platform, taking into account factory mounting points and antenna installation connectors. This means:

• easy fitment to the right side of the body without structural modifications,
• use of original plugs and connectors,
• consistency with factory wiring and cable harnesses.

Such a solution allows for maintaining factory-quality integration with the vehicle's electronics and minimizes the time required for installation.

Condition, verification, and service application

The item comes from the secondary market, which makes it an attractive cost-effective alternative to new components, while maintaining the manufacturer's original specifications. Such modules are often chosen for:

• diagnosing and troubleshooting radio reception problems or signal interference,
• professional repairs of the antenna installation after collisions or bodywork interventions,
• restoring full functionality of infotainment systems after replacing windows or body parts.

Using an original antenna amplifier allows for maintaining the operating parameters intended by the vehicle manufacturer, which is particularly important in modern electronic systems.

Installation recommendations and selection by part numbers

Before installation, it is recommended to verify the module's compatibility with the specific vehicle equipment version, preferably based on catalog data or the manufacturer's numbering. Professional installation by an auto electrician or a service specializing in Audi electronics will allow to:

• ensure correct connection to the antenna installation,
• avoid damage to harnesses and connectors,
• verify the correct operation of radio systems after replacement.

If you want to deepen your knowledge about the selection and installation of used electronic modules, practical aspects of compatibility, and working with OEM numbers, it is worth checking out the Global Parts guide: Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?

Expansion of Audi electronics modernization

If you are planning a comprehensive repair or modernization of the body electronics area in your Audi and need other elements from the same group, such as comfort modules, driver assistance system controllers, or additional signal management units, check the available parts in the Audi electronic control modules and controllers category.

Summary

Audi A4 B8 Antenna Amplifier Aerial Module Control Unit Right O/S is a functional, original component intended for professional repairs and restoring full efficiency of radio systems. It ensures consistency with the factory electrical installation, proper antenna signal amplification, and seamless cooperation with other controllers in the vehicle, which makes it a rational choice for servicing electronics in the Audi A4 B8.