Audi A4 B8 A5 8T Footwell Vent Air Ducting Channel Rear Right O/S 8K0819504

Audi A4 B8 A5 8T Footwell Vent Air Ducting Channel Rear Right O/S is an original ventilation system component designed to distribute air to the rear right passenger footwell. Thanks to its factory geometry and precise fitment to the center console, it ensures stable airflow and proper integration with other climate control system components. This is a practical solution for users looking to restore full functionality of the rear cabin ventilation.

Specifications and technical data

• SKU: 8K0819504
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0819504
• Substitutable numbers: 8K0819504, 8K0 819 504, 8K0 819 504 A, 8K0819504A
• Location on the vehicle: Rear, Right
• Category: Other Air Conditioning & Heating

Purpose and vehicle placement

The presented air duct is dedicated to Audi A4 B8 generation and Audi A5 8T models and operates in the rear section of the passenger cabin. The component is designed for installation in the rear – right side zone, where it is responsible for directing airflow from the air conditioning or heating system to the rear passenger footwell. Precise fitment to factory mounting points allows for maintaining connection tightness and minimizing airflow losses. As a result, air is directed exactly where the manufacturer intended, which improves thermal comfort in the rear of the interior.

Construction and function of the air duct

The duct's construction has been developed for optimal airflow guidance within the limited space of the center console. The internal profile minimizes turbulence, which promotes quiet ventilation operation and stable air distribution between individual outlets in the rear cabin zone. Key functional features include:

• factory fitment for the ventilation system in Audi A4 B8 and A5 8T,
• designed airflow path to the rear right footwell,
• compatibility with original center console and interior bulkhead components,
• stable seating within the interior structure, reducing unwanted vibrations. By maintaining the original geometry, the duct supports even air distribution in the cabin, which is important for both air conditioning and heating performance.

Benefits of using an original air duct

Using a factory air duct in the rear right part of the vehicle helps avoid problems typical of aftermarket replacements with simplified designs. The original component ensures:

• secure fitment to factory brackets and adjacent ventilation system components,
• maintenance of the airflow characteristics designed by the manufacturer,
• consistent installation without the need for modifications to the center console or adjacent interior elements. For the user, this means predictable ventilation performance in the rear cabin and easier troubleshooting of potential leaks in the future, as the system remains consistent with factory service documentation.

Component condition and installation aspects

The offered air duct is a used part, which in practice means it has been removed from a vehicle and verified for further serviceability. This type of component, as a part of the ventilation system without moving parts, is particularly suitable for reinstallation, provided its structural integrity is maintained. During installation, it is worth paying attention to:

• proper seating in the mounting points in the rear right part of the tunnel,
• precise pressing of connections with adjacent air duct sections,
• checking for leaks after reassembling the ventilation system. This approach allows for restoring proper air circulation in the rear cabin zone without the need to interfere with other system components.

Related components and further information

If you are planning a comprehensive repair or upgrade of the interior zone in your Audi and need other components from the same group, such as additional air ducts, tunnel covers, or small fasteners, check the available parts in the Other Audi category. For those interested in a broader technical context of the brand's models, including differences in drivetrain and chassis construction, an article describing the details of sports versions versus standard variants may be helpful – you can find it here: Audi RS vs other models – what is hidden under the hood and chassis?.