Audi A4 B7 Radio Media Player Audio CD Head Unit Player Concert 8E0057185KX

Visual condition of the part

The product shows signs of use visible in the photos.

Audi A4 B7 Radio Media Player Audio CD Head Unit Player Concert is an original component from the Electronic control modules and controllers group, designed for factory installation in Audi A4 B7 generation models. It offers stable audio system performance while maintaining consistency with the dashboard, electrical installation, and the vehicle's interior design.

Specifications and technical data

• SKU: 8E0057185KX
• Mark: Audi
• Condition: Used
• OEM Part Number: 8E0057185KX
• Substitutable numbers: 8E0057185KX
• Category: ECUs & Computer Modules

Technical characteristics and vehicle integration

The CD radio player has been designed as part of the Audi multimedia system, with full integration with the electrical installation and factory vehicle connectors. As a part from the Electronic control modules and controllers group, it works with other onboard controllers, ensuring proper communication within the vehicle's bus and predictable operation of audio functions.

The device is prepared for installation in the original location in the center console, which allows for maintaining the factory look of the cockpit. The design provides for cooperation with factory buttons and backlighting, making operation intuitive and consistent with the ergonomics of the Audi interior.

Audio system functionality

The CD radio player in the Audi A4 B7 provides stable CD playback and support for basic car radio functions, such as station selection, volume control, or signal source switching. Using an original module allows for maintaining compatibility with the factory sound system, including any additional amplifiers and speakers provided by the manufacturer.

Choosing an original radio player is beneficial wherever the priority is to maintain the consistency of the electronic system, proper communication with other controllers, and avoiding issues with matching wiring harnesses or the mounting frame.

Condition, origin, and advantages of using a used part

The offered radio player comes from the Audi brand and is a used component, which allows for significantly reducing the cost of repair or restoring the factory functionality of the audio system compared to purchasing a new module. At the same time, compliance with factory manufacturing standards and the logic of the vehicle's electronic system is maintained.

Using an original, used module from the same model line minimizes the risk of matching problems and limits the need for installation modifications. This solution is particularly beneficial for post-accident repairs, replacing a damaged radio, or restoring the car to factory specifications after previous modifications.

Selection by part numbers and technical support

When selecting a CD radio player for the Audi A4 B7, it is crucial to match it to the specific equipment configuration and ensure compatibility with other electronic modules in the vehicle. In practice, this means paying attention to manufacturer markings, hardware and software versions, and installation configuration.

To better understand the principles of selecting used electronic modules, including controllers and related components, it is worth reading the guide describing selection by VIN and manufacturer markings, hardware and software compatibility, and practical installation examples: Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?

Expanding the Audi electronics system

If you are planning a comprehensive repair or upgrade of the electronic zone in your Audi and need other components from the same group, such as additional comfort modules, audio system controllers, or interior management units, check the available parts in the Audi electronic control modules and controllers category.

For a comparison of the cost-effectiveness of purchasing new versus used components, as well as a better understanding of the quality differences between OEM parts and replacements, the following practical cost guide may also be helpful: New or used? A comparison of car parts costs and quality.