Audi A4 B8 A5 8T Rear Footwell Air Vent Duct Right O/S 8K0819802

Audi A4 B8 A5 8T Rear Footwell Air Vent Duct Right O/S is an original air ventilation system component from the Lines, hoses and pipes group, designed for operation in the rear right section of the vehicle body. Designed by the vehicle manufacturer, it ensures stable airflow to the rear cabin zone, which translates into predictable air conditioning and heating performance. This is a technical solution for users who expect factory fitment and secure installation without the need for modifications.

Specifications and technical data

• SKU: 8K0819802
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0819802
• Substitutable numbers: 8K0819802, 8K0 819 802, 8K0 819 802 A, 8K0819802A
• Location on the vehicle: Rear, Right
• Part type: Pipe
• Category: Hoses, Lines & Pipes

Purpose and function of the air duct

The presented air duct has been developed specifically for Audi A4 B8 and A5 8T models, with placement in the rear right part of the vehicle. It is responsible for directing air from the central ventilation system to the rear of the passenger cabin, which is important for even temperature distribution throughout the interior. Thanks to its factory geometry and properly selected cross-section, the component works in harmony with other ventilation system parts, reducing pressure drops and unwanted airflow noise.

Construction and fitment in the Lines, hoses and pipes system

The duct belongs to the Lines, hoses and pipes group, i.e., components responsible for transporting a medium – in this case, air – between individual sections of the system. The construction is prepared for installation at factory mounting points, which facilitates the mechanic's work and reduces the risk of leaks. Properly formed nozzles and duct routing allow for a secure connection with adjacent sections of the installation, without the need for additional adapters. Such a solution is particularly beneficial for post-accident repairs or when replacing damaged ventilation system components, where maintaining the original flow geometry is crucial. Factory fitment also helps maintain the proper operation of temperature sensors and climate control units, which are based on the flow parameters established by the manufacturer.

Benefits of using an original used component

The offered air duct is a used part, sourced from dismantling, which allows for combining reasonable cost with maintaining the manufacturer's original specifications. In practice, this means:

• maintaining the factory routing of lines in the rear right part of the vehicle,
• no need to adapt universal replacements,
• consistency with other ventilation system components in the Audi A4 B8 and A5 8T. For workshops and users, this means faster installation and a lower risk of problems with subsequent servicing. The original design solution also helps maintain acoustic comfort in the interior, as the duct is designed to minimize vibrations and unwanted airflow noises.

Service application and workshop practice

The rear right air duct is primarily used for:

• ventilation system repairs following mechanical damage or corrosion of mounting elements,
• bodywork and paint jobs in the rear section of the vehicle, when disassembly and reassembly of the installation is necessary,
• diagnosing problems with uneven airflow in the rear cabin zone. Choosing an original component from this group allows for compliance with Audi service documentation, which facilitates the work of both authorized service centers and independent workshops specializing in the brand. For the end user, this translates into a predictable repair result and stable air conditioning performance in the long term.

Support for selecting and expanding the ventilation system

If you are planning a comprehensive repair or upgrade of the ventilation and air conditioning zone in your Audi and need other elements from the same group, such as additional ducts, flexible hose sections, or connecting pipes, check the available parts in the Audi lines, hoses and pipes category. If you want to better understand how the availability of used OEM components affects vehicle downtime in the service center and repair costs, it is worth reading the article: Availability of car parts off-the-shelf vs. repair time – how do used OEM parts shorten workshop stays?. This is a practical supplement to knowledge for those who prioritize efficient and economical repairs while maintaining manufacturer standards.