Porsche Cayenne 9PA Radio Aerial Antenna Amplifier Unit Rear Left N/S 7L5035225B

Visual condition of the part

The product shows signs of use visible in the photos.

Porsche Cayenne 9PA Radio Aerial Antenna Amplifier Unit Rear Left N/S is a specialized component from the Electronic control modules and controllers group, responsible for stable radio signal amplification in the rear part of the vehicle body. Designed for installation on the rear left side of the vehicle, it ensures the proper operation of the factory audio system and comfortable radio station reception during daily use.

Specifications and technical data

• SKU: 7L5035225B
• Mark: Porsche
• Condition: Used
• OEM Part Number: 7L5035225B
• Substitutable numbers: 7L5035225B, 7L5 035 225 B
• Location on the vehicle: Rear, Left
• Category: ECUs & Computer Modules

Purpose and function in the antenna system

The presented radio antenna amplifier module has been designed with the structural requirements of the Porsche Cayenne 9PA generation in mind. Its task is to amplify the radio signal received by the body antenna and transmit it to the radio unit, which reduces interference and improves reception stability in various road conditions.

Its placement in the rear zone, on the left side, allows for optimal routing of electrical harnesses and proper cooperation with the vehicle's antenna installation. As a result, the audio system maintains its factory performance parameters, and the driver and passengers can enjoy the radio in a predictable and consistent manner.

Benefits of using an original module

Using an original module from the Electronic control modules and controllers group in a Porsche allows you to maintain the consistency of the entire electrical system and reduce the risk of compatibility issues. This component has been factory-matched to the architecture of the Cayenne 9PA installation, which facilitates installation and subsequent diagnostics.

Key advantages include, among others:

• maintaining the factory performance characteristics of the antenna system,
• proper cooperation with the original radio and electrical installation,
• installation in the manufacturer-intended location in the rear, left part of the vehicle,
• reducing the risk of interference resulting from the use of unsuitable replacements.

The product comes from a Porsche vehicle and is a used item, which allows you to combine functionality with a reasonable cost of repair or replacement.

Condition, origin, and installation aspects

The offered module is a used part, sourced from dismantling, intended for further use in a properly selected Porsche Cayenne 9PA model. Such components are frequently chosen for antenna system repairs when the goal is to maintain the original vehicle specification without the need to invest in new subassemblies.

The placement defined as rear – left makes it easy to identify the correct mounting point in the body. When selecting a part, it is worth verifying compatibility with your specific vehicle model using markings such as the OEM part number or available interchangeable numbers to ensure full compatibility with the installation.

Application in service practice

The radio antenna amplifier module mounted on the rear left side will work well both for a typical replacement of a damaged element and for restoring system efficiency after bodywork or electrical interventions in the rear part of the vehicle. In many cases, replacing this component solves problems with signal loss, noise, or unstable station reception.

If you are planning a comprehensive repair or upgrade of the electronic zone in your Porsche and need other elements from the same group, such as comfort modules, driver assistance system controllers, or other management systems, check the available parts in the Porsche electronic control modules and controllers category.

More about used electronics in premium cars

When choosing a used control module or antenna amplifier, it is worth knowing the basic principles of selecting and verifying such elements. Practical tips on assessing the condition, compatibility, and cost-effectiveness of the purchase can be found in the article: The second life of electronics – when is it worth opting for used engine controllers, comfort modules, and parking sensors?.

If you are interested in a broader context of using original used components in premium cars, including Porsche models, the following material may also be helpful: Crisis in the new parts market? Why in 2026 used originals for premium cars (BMW, Mercedes, Porsche) are the hottest trend.