Audi A3 8V Radio CD SD SIM Player Stereo Sat Nav Head Unit 81A035192B

Audi A3 8V Radio CD SD SIM Player Stereo Sat Nav Head Unit is a factory-fitted multimedia system component from the Electronic control modules and controllers group, designed specifically for Audi models. It offers integrated radio, navigation, and media support functions for CD, SD cards, and SIM cards, providing a cohesive, convenient, and aesthetic multimedia control center in the cabin.

Specifications and technical data

• SKU: 81A035192B
• Mark: Audi
• Condition: Used
• OEM Part Number: 81A035192B
• Substitutable numbers: 81A035192B, 81A 035 192 B
• Category: ECUs & Computer Modules

Functions and application in the Audi A3 8V

The presented module combines the functions of a car radio, factory navigation, and media readers into a single unit. This gives the driver access to:

• radio station reception via the original Audi interface,
• navigation integrated with the onboard system,
• music playback from CDs and SD cards,
• SIM card support, enabling the use of selected online services (depending on vehicle configuration).

Combining these functions into one device helps maintain operational consistency, ergonomics, and interior aesthetics without the need for additional external devices.

Integration with vehicle electronics

As a component from the Electronic control modules and controllers group, the radio with navigation is designed to work with the factory Audi electrical system. This means:

• communication with other vehicle controllers via the data bus,
• the ability to display information on multimedia system screens,
• retention of the original operating logic via cabin buttons and knobs.

This type of integration is particularly important when replacing a damaged module or restoring full infotainment system functionality after a failure.

Product characteristics and purchase benefits

The offered Audi brand component comes from the original production line, which translates into a perfect fit for the dashboard, wiring harnesses, and other system components. In practice, this means:

• no need for installation modifications when mounting in a properly configured vehicle,
• preservation of the factory look of the center console,
• operational consistency with other electronic modules.

The product is offered as a used OEM component, which allows for lower repair or upgrade costs compared to purchasing a new unit, while maintaining the manufacturer's original specifications.

Using second-hand electronics – what to look for

When choosing a used multimedia module, it is worth paying attention to compatibility with the specific equipment of your Audi A3 8V and proper matching with the existing installation. Helpful steps include:

• verifying the vehicle configuration (type of multimedia system, presence of navigation, SIM card support),
• checking if the vehicle was factory-equipped with a similar type of unit,
• consulting with an automotive electrician or a service center specializing in the Audi brand.

If you would like to learn more about selecting used electronic modules, practical tips can be found in the article The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?, which discusses key aspects of purchasing and installing such components.

Expanding the Audi multimedia system

Replacing or installing such a unit in an Audi A3 8V is a solution for those who want to restore full factory system functionality or upgrade the vehicle with navigation and additional media support. Compared to universal aftermarket solutions, the original module:

• maintains user interface consistency,
• is better integrated with the rest of the vehicle's electronics,
• does not disrupt the interior aesthetics and preserves the characteristic Audi style.

This is particularly beneficial for users who value maintaining the car's factory character while having access to modern multimedia features.

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