Audi RS4 B8 Power Brake Booster Vacuum Pump Hose Tube Pipe Line 8T0611931G

Audi RS4 B8 Power Brake Booster Vacuum Pump Hose Tube Pipe Line is an original brake booster system component designed to work with the vacuum pump in high-end Audi models. This used part from the Vacuum pumps category allows for the restoration of proper vacuum levels in the braking system, which translates into stable and predictable brake pedal operation. It is the ideal solution for users seeking a factory-fit replacement without the need for aftermarket parts of uncertain origin.

Specifications and technical data

• SKU: 8T0611931G
• Mark: Audi
• Condition: Used
• OEM Part Number: 8T0611931G
• Substitutable numbers: 8T0611931G, 8T0 611 931 G
• Category: Vacuum Pumps

Function and application of the vacuum hose

The hose connects the vacuum pump to the brake booster, ensuring stable vacuum transmission throughout the system. In practice, this means:

• more reliable brake system response with every pedal press,
• maintaining proper brake assistance under various engine loads,
• reducing the risk of braking efficiency loss caused by hose leaks.

Thanks to the factory fit for Audi, the system retains its original operating characteristics, and installation requires no modifications or reshaping of the hose.

Benefits of using an original Audi component

Choosing the original vacuum hose for the Audi RS4 B8 provides a number of practical advantages in daily operation:

• Precise geometric fit to factory mounts and hose routing in the engine bay.
• Compatibility with the stock vacuum pump and brake booster without the need for system modifications.
• Consistency with other brake system components, which facilitates future diagnostics and service.

For workshops and private users, this means shorter installation time, lower risk of leaks, and easier maintenance of the vehicle in a factory-like condition.

Part condition and installation aspects

The offered vacuum hose comes from the group of used OEM Audi components, which allows for combining reasonable costs with maintaining original specifications. Before installation, a standard check of tightness and connector condition is recommended to ensure the vacuum system operates stably across the full load range.

During replacement, it is worth paying attention to:

• proper routing of the hose relative to engine accessories,
• secure seating of connectors on the vacuum pump and brake booster ports,
• absence of kinks and twists that could restrict vacuum flow.

Optimization of brake and fuel system operation

A functional vacuum system working with the vacuum pump is important not only for braking itself but also for the stable operation of the engine and control components. In the case of comprehensive service work on fuel and control systems, it is worth expanding your knowledge on diagnostics and selecting components by factory part numbers – practical tips can be found in the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration.

Selection of other components from the Audi vacuum pump group

If you are planning a comprehensive repair or upgrade of the braking area in your Audi and need other elements from the same group, such as vacuum hoses, vacuum booster pumps, or additional sections of vacuum lines, check out the available parts in the Audi vacuum pumps category.