Audi A4 B9 Q2 GA Aerial Roof Antenna Unit Shark Fin Black 4M0035503K

Audi A4 B9 Q2 GA Aerial Roof Antenna Unit Shark Fin Black 4M0035503K is an original part from the Car antennas group, designed specifically for Audi models in a characteristic, aerodynamic "shark fin" shape. The black, discreet housing maintains a consistent body appearance while ensuring stable radio signal and data reception. This is a solution for users who expect factory-fit, aesthetics, and predictable performance parameters.

Specifications and technical data

• SKU: 4M0035503K
• Mark: Audi
• Condition: Used
• OEM Part Number: 4M0035503K
• Substitutable numbers: 4M0035503K, 4M0 035 503 K
• Part type: Shark Fin Antenna
• Color: Black
• Category: Antennas

Purpose and fitment for Audi

The presented "shark fin" roof antenna has been developed for the Audi A4 B9 generation and Audi Q2 (GA designation) bodies, maintaining the factory mounting geometry and base shape. As a result, the component integrates harmoniously with the roof line, requires no bodywork modifications, and allows for installation in the place of the original antenna.

The OEM solution guarantees stylistic consistency with other Audi body details and compatibility with the vehicle's factory antenna installations. This is particularly important for post-accident repairs, replacing a damaged antenna, or restoring the car to a condition close to factory specifications.

Construction, color, and functional properties

The antenna housing features a compact, streamlined form that limits air resistance and reduces noise at higher speeds. The black color of the housing allows for aesthetic matching to both dark and contrasting body paints, and also facilitates integration with factory roof moldings and spoilers.

The roof antenna in this design acts as an external receiving module that works with the vehicle's installation. Stable mounting to the roof and properly routed cables (installed inside the car) contribute to reliability in daily operation, including frequent long-distance driving.

Characteristics of the used part

The offered item comes from disassembly, which means it is a used part that retains the functionality intended by the manufacturer. This type of component is a good choice for economical repair or vehicle renovation when the priority is to maintain original specifications at reasonable costs.

In the case of roof antennas, it is particularly important that the used part comes from the same model family and is structurally compatible with the roof and the vehicle's installation. This helps avoid problems with leaks, base mismatch, or incorrect cable routing inside the headliner.

Benefits of using an original Audi antenna

Using an original "shark fin" roof antenna in an Audi A4 B9 or Audi Q2 GA provides several practical benefits:

• maintaining the factory look of the body and stylistic consistency with other roof elements,
• compatibility with the vehicle's antenna installation without the need for adapting universal solutions,
• stable mounting and fitment to the roof contours,
• reducing the risk of interference resulting from non-original adapters or connectors.

For Audi owners who care about the technical correctness of repairs and want to keep the vehicle in a configuration close to factory, choosing such a component is a reasonable compromise between quality and cost.

Expansion and modernization of vehicles using OEM parts

If you are planning to refresh or partially modernize your Audi using components from disassembly, it is worth learning the broader context of using used body, interior, and electronic parts. Practical tips on selecting and combining such sub-assemblies can be found in the article The second life of a youngtimer – how used car parts rejuvenate cars from the 1998–2012 model years, which discusses, among other things, modernization scenarios for Audi models.

If you are planning a comprehensive repair or modernization of the roof area in your Audi and need other elements from the same group, such as additional antennas, receiving modules, or mounting bases, check the available parts in the Audi car antennas category.