Audi A6 C8 Brake Servo Vacuum Pipe Line Hose 3.0 TFSI 4K2611931AA

Audi A6 C8 Brake Servo Vacuum Pipe Line Hose 3.0 TFSI is an original brake system component, belonging to the Brake hoses, lines and connectors group. It ensures a stable vacuum supply to the brake servo, which translates into predictable brake booster performance and comfortable pedal pressure. This solution is dedicated to the Audi A6 C8 generation with a 3.0 TFSI engine, designed in accordance with the manufacturer's standards.

Specifications and technical data

• SKU: RHD-4K2611931AA
• Mark: Audi
• Condition: Used
• OEM Part Number: 4K2611391AA
• Substitutable numbers: 4K2611391AA, 4K2 611 391 AA
• Part type: Hose
• Category: Brake Hoses, Lines & Fittings

Purpose and function in the brake system

The offered vacuum pipe works with the brake servo in the Audi A6 C8 3.0 TFSI, responsible for safely transferring vacuum from the intake system to the brake booster. A correctly selected and airtight pipe reduces the risk of reduced braking efficiency, unstable pedal feel, and increased braking distance.

As an original Audi part, the pipe is structurally matched to the engine bay geometry and mounting points in the A6 C8 model. A properly routed vacuum line minimizes stress, vibrations, and the risk of abrasion, which is important for long-term operation in variable thermal conditions.

Benefits of using an original pipe

Using a factory vacuum pipe in the Audi A6 C8 3.0 TFSI allows for maintaining brake system performance parameters consistent with the manufacturer's specifications. The original geometry of the connectors and fittings facilitates installation and reduces the need for additional modifications or the use of adapters.

• Stable brake booster operation due to maintaining the correct vacuum level.
• Better fitment to factory brackets and routings in the engine bay.
• Reduced risk of leaks compared to universal construction replacements.

For users who value the consistency of factory solutions, it is important that the pipe comes from the Audi production line, which helps maintain the uniform operating characteristics of the entire brake system.

Product characteristics and condition

The Audi A6 C8 Brake Servo Vacuum Pipe Line Hose 3.0 TFSI is offered as a used part, sourced from vehicle dismantling. Such components, provided they are airtight and free of mechanical damage, can be successfully used further, representing a reasonable compromise between cost and quality. In practice, this allows for an economical repair of the brake system while maintaining the original design specifications.

Choosing a used pipe from the Brake hoses, lines and connectors group is particularly beneficial in situations where the existing component has cracked, delaminated, or shows signs of leakage, such as a hard brake pedal or uneven engine idle.

Professional selection and installation

To ensure proper system operation, the Audi A6 C8 Brake Servo Vacuum Pipe Line Hose 3.0 TFSI should be installed according to the factory routing and using the original brackets. It is recommended that the installation be performed by an experienced mechanic who will verify the tightness of the connections and the correct operation of the brake booster after replacement.

During service, it is also worth checking other vacuum system components and the condition of the brake servo to avoid the recurrence of a fault resulting from other leaks or wear of cooperating components.

Expanding brake system service

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 flexible hoses, rigid lines, or servo connectors, check the available parts in the Audi brake hoses, lines and connectors category.

When performing broader brake system service, it is also worth paying attention to the selection of other components, such as calipers, to maintain the consistency of the entire system's performance. Practical tips on the safe use of original, used components can be found in the article: Brake calipers under the microscope: How to effectively reduce brake system repair costs by choosing proven recycled parts.