Audi RS4 B9 RS5 F5 Vacuum Pipe Line Hose Tube 2.9 TFSI 8W0611931CC

Audi RS4 B9 RS5 F5 Vacuum Pipe Line Hose Tube 2.9 TFSI is an original vacuum system component designed for high-performance Audi models equipped with the 2.9 TFSI engine. Thanks to its factory geometry and precise fit, it ensures stable vacuum management and proper cooperation with other brake and engine control system components. It is a practical solution for users who expect a reliable, proven part instead of random aftermarket replacements.

Specifications and technical data

• SKU: 8W0611931CC
• Mark: Audi
• Condition: Used
• OEM Part Number: 8W0611931CC
• Substitutable numbers: 8W0611931CC, 8W0 611 931 CC
• Category: Hoses, Lines & Pipes

Purpose and function of the vacuum pipe

The presented pipe belongs to the Pipes, hoses, and tubes group and is responsible for the safe routing of vacuum in the vehicle's system. In high-power cars such as the Audi RS4 B9 and RS5 F5 with the 2.9 TFSI engine, proper tightness and patency of vacuum lines are crucial for:

• stable operation of the vacuum-assisted braking system,
• correct functioning of engine control components,
• maintaining appropriate engine performance parameters under high load.

Thanks to its factory shape and diameter, the pipe ensures precise fitment to connectors and mounting brackets in the engine bay, which reduces the risk of stress and leaks.

Advantages of using an original Audi pipe

Choosing an original Audi vacuum pipe is a beneficial solution both in terms of technical performance and maintenance. The most important benefits include:

• maintaining the factory characteristics of the vacuum system,
• compatibility with the stock engine bay layout in RS4 B9 and RS5 F5 models,
• reducing the risk of issues with insufficient brake assistance or unstable engine operation,
• easier diagnostics – the system remains compliant with the manufacturer's documentation.

For high-performance vehicles, it is particularly important that components such as vacuum pipes maintain appropriate rigidity and temperature resistance, which translates into predictable vehicle behavior during both daily and dynamic driving.

Component condition and installation aspects

The pipe is offered as a used part, which allows for economical repair while maintaining the manufacturer's original specifications. Such components, sourced from dismantling, are preferred by users who want to maintain system integrity without having to resort to unreliable replacements.

In terms of installation, the pipe is designed to fit factory brackets and ports, which facilitates the mechanic's work and reduces service time. In practice, this means:

• no need for system modifications,
• secure seating on connectors,
• maintaining the original routing of the pipe in the engine bay.

Application in the vehicle system and part selection

In Audi RS4 and RS5 class cars, the vacuum system works with many sub-assemblies, which is why choosing the right pipe is important for the entire system. Replacing a worn or leaking element with an original vacuum pipe allows for restoring:

• proper brake pedal response,
• stable engine performance parameters across the full rev range,
• system consistency with other pipes, hoses, and tubes.

For users planning service within the vacuum system, using parts from the same Audi design group helps maintain uniform quality of the entire system and facilitates future inspections and repairs.

If you are planning a comprehensive repair or upgrade of the vacuum system area in your Audi and need other elements from the same group, such as flexible hoses, rigid tubes, or additional lines, check the available parts in the Audi pipes, hoses, and tubes category.

Additional materials and technical knowledge

When performing service work on technical vehicle systems, it is worth using reliable sources of knowledge that help in making informed purchasing and service decisions. If you are interested in how to approach the regeneration and selection of consumables in a car, a guide on the renovation and purchase of aluminum components may be helpful – you can find it in the article Used rims like new: a guide to buying and refurbishing alloy wheels.