Audi A4 B9 Aerial Roof Antenna Shark Daytona Grey - Z7S 4M0035503K

Audi A4 B9 Aerial Roof Antenna Shark Daytona Grey is an original component from the Car antennas group, designed for roof mounting. Its characteristic low-profile "shark" design and Daytona Grey Pearl Effect - Z7S paint finish ensure a consistent vehicle appearance and maintain the factory character of the car.

Specifications and technical data

• SKU: 4M0035503K-DGR
• Mark: Audi
• Condition: Used
• OEM Part Number: 4M0035503K-DGR
• Substitutable numbers: 4M0035503K-DGR, 4M0 035 503 K-
• Color: Daytona Grey Pearl Effect - Z7S
• Category: Antennas

Purpose and technical specifications

This shark-style roof antenna has been specifically designed for the Audi A4 B9 generation, adhering to the manufacturer's requirements regarding shape, mounting method, and antenna cable routing. As a result, this component serves as a functional addition to the factory radio signal reception system and other antenna services, without the need for any modifications to the roof structure.

The antenna housing features a compact, aerodynamic form that reduces air resistance and minimizes wind noise at higher speeds. The use of original Daytona Grey Pearl Effect - Z7S paint ensures color consistency with vehicles finished in the same shade, which is particularly important for post-accident repairs or when replacing damaged roof components.

Color and visual fit

The Daytona Grey Pearl Effect - Z7S finish is a distinctive pearlescent shade used in the Audi paint range. This shark roof antenna in this color version allows for an aesthetic match to vehicles painted in the same color, without the need for additional painting of the component.

This solution is particularly beneficial when you want to maintain a uniform stylistic line of the bodywork – the antenna does not visually stand out from the roof but forms a cohesive whole with it. This is important both for cars after bodywork and paint repairs, as well as when replacing the component due to mechanical damage.

Function in the vehicle's antenna system

The shark-style roof antenna acts as an external component of the antenna system, responsible for stable radio signal reception and – depending on the vehicle configuration – other transmission services provided by the manufacturer. The housing construction is adapted for outdoor use, taking into account exposure to UV radiation, temperature fluctuations, and the effects of water and road debris.

Proper sealing of the antenna base and its fit to the Audi A4 B9 roof contours reduces the risk of moisture entering the vehicle interior. Consequently, this component can be used both when replacing a damaged antenna and during a comprehensive roof reconstruction after a collision.

Component condition and practical application

The offered antenna is a dismantled, used original part. For many Audi users, this is a reasonable compromise between repair costs and maintaining the factory vehicle specification – especially in the case of post-accident repairs, where matching the shape, color, and mounting method to the manufacturer's original solutions is essential.

Choosing an original shark roof antenna from the secondary market reduces the risk of compatibility issues that may occur when using replacements with a different housing profile or different wiring harness routing. This is a practical solution for workshops specializing in the Audi brand and users independently sourcing parts for body repairs.

Compatibility, part numbers, and selection

The component has a dedicated OEM part number and associated interchangeable numbers, which facilitates verification of compatibility with a specific Audi A4 B9 configuration. Before purchasing, it is worth comparing the markings with the vehicle documentation or the dismantled antenna to confirm full mounting and functional compatibility.

If you want to expand your knowledge on the proper selection of secondary market components and avoid mistakes when ordering, our blog guide will be helpful – No more bad purchases! How to professionally select used car parts. You will find practical tips on interpreting OEM markings and working with interchangeable numbers.

Expanding the Audi antenna system

If you are planning a comprehensive repair or upgrade of the roof area in your Audi and need other components from the same group, such as additional antenna modules, antenna bases, or other roof housing variants, check out the available parts in the Audi car antennas category.

Choosing components from the same product group allows you to maintain the technical consistency of the antenna system and facilitates subsequent diagnostics of any signal interference. This is particularly important in modern vehicles, where the roof antenna works with many onboard systems.