Audi A4 B9 Aerial Roof Radio Antenna Shark 4M0035503N

Audi A4 B9 Aerial Roof Radio Antenna Shark is an original component from the Car antennas group, designed for mounting on the vehicle roof. The characteristic, aerodynamic "shark fin" shape ensures aesthetic integration with the body lines while providing stable GPS signal reception. This used OEM component is a sensible choice for servicing factory navigation systems or replacing a damaged roof antenna.

Specifications and technical data

• SKU: 4M0035503N
• Mark: Audi
• Condition: Used
• OEM Part Number: 4M0035503N
• Substitutable numbers: 4M0035503N, 4M0 035 503 N
• Color: Black
• Category: Antennas

Purpose and function of the roof GPS antenna

The "shark fin" roof antenna is mounted in the central part of the roof, where it has the best conditions for receiving satellite signals. This allows the Audi navigation system to operate with appropriate accuracy, and the signal is less susceptible to interference from body components. The antenna design was developed for integration with the factory multimedia system, which helps maintain the consistency of the vehicle's electrical and logical installation.

Construction, color, and body integration

The antenna housing has a compact, aerodynamic shape that reduces air resistance and noise at higher speeds. The Black finish blends well with dark roofs and contrasts with lighter paint, while maintaining the factory character of the car. Its small dimensions facilitate installation and minimize the risk of accidental damage during daily use, e.g., in an automatic car wash.

Benefits of using an original Audi antenna

Using an original antenna from the Audi Car antennas group allows you to maintain compatibility with the vehicle's installation and the operating parameters of the navigation system. Properly selected connectors and mounting geometry reduce the risk of roof leaks and fitment issues. A used OEM element is also a way to maintain a consistent body appearance without the need for universal replacements with uncertain parameters.

Selection by OEM number and compatibility verification

When selecting a roof antenna for a specific Audi A4 B9, it is crucial to compare the OEM number and the vehicle's equipment configuration. It is worth verifying whether the multimedia system used in the car uses the same antenna architecture as the offered element. The VIN number and service documentation can be helpful, as they allow for unambiguous confirmation of the part's compatibility with a specific body version and model year.

If you want to check the component's compatibility with your car step by step, use the advice contained in the article Guide: how to choose the right car part by VIN and OEM number, where you will find practical tips on verifying used components.

Application in vehicle service and modernization

The "shark fin" GPS roof antenna will work well both for standard replacement of a damaged element and for modernizing a vehicle previously equipped with a different version of the antenna. In the case of retrofits, it is important to maintain the correct cable routing and roof tightness after installation, which is why it is worth using solutions consistent with Audi's factory standards. A used component allows you to reduce the cost of such an operation while maintaining the correct operating parameters of the navigation system.

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 receiver modules, mounting bases, or additional radio antennas, check the available parts in the Audi car antennas category.