Audi RS4 B8 RS5 8T Vacuum Pipe Hose Suction Tube Line 4.2L V8 8T0611931E

Audi RS4 B8 RS5 8T Vacuum Pipe Hose Suction Tube Line is an original brake system component from the Brake hoses, lines and connectors category, designed for use in Audi sports models with a 4.2L V8 engine. This used OEM part ensures factory-fit, stable vacuum, and predictable brake booster operation under demanding operating conditions.

Specifications and technical data

• SKU: 8T0611931E
• Mark: Audi
• Condition: Used
• OEM Part Number: 8T0611931E
• Substitutable numbers: 8T0611931E, 8T0 611 931 E
• Category: Brake Hoses, Lines & Fittings

Purpose and function of the vacuum pipe

The vacuum pipe is responsible for the safe and airtight delivery of vacuum to brake system components, particularly the brake booster. In the 4.2L V8 units fitted in the RS4 B8 and RS5 8T, stable vacuum is crucial for consistent braking force, especially during dynamic driving and frequent use of the full potential of the braking system.

The original pipe from this series has been designed for:

• resistance to high temperatures in the V8 engine bay,
• maintaining airtightness under variable loads and vibrations,
• stable vacuum flow to brake control components.

Benefits of using an original Audi pipe

Using a vacuum pipe sourced from Audi allows you to maintain factory brake system operating parameters without the need for system modifications. Unlike universal replacements, the OEM component is matched to the geometry of the engine bay, mounting points, and connector diameters in the RS4 B8 and RS5 8T.

Key advantages include:

• secure fitment with other brake system components,
• preservation of the original pipe routing, which reduces the risk of chafing,
• compatibility with factory connectors and mounting brackets.

Part condition and practical application

The item comes from dismantling and is offered as a used vacuum pipe, which represents a reasonable compromise between repair costs and maintaining OEM quality. This type of solution is particularly attractive when servicing advanced, high-performance braking systems where compliance with factory specifications is a priority.

The pipe is suitable both for standard replacement of worn or leaking components and for comprehensive brake system maintenance in vehicles used on tracks or driven dynamically on public roads.

Technical support and selection of brake system components

When working on the brake system, it is worth paying attention to the condition of all pipes, hoses, and connectors to avoid vacuum drops and increased braking distance. Proper selection of original, used components allows you to maintain high braking efficiency at controlled service costs.

To better plan your repair and understand how to safely use dismantled parts within the brake system, check out our guide: Brake calipers under the microscope: how to reduce brake system repair costs by choosing proven recycled parts.

If you are also interested in the ecological aspect and want to know how choosing original used components affects the reduction of your carbon footprint, check out the article on sustainable automotive and the benefits of using dismantled parts.

Expanding the Audi brake system

If you are planning a comprehensive repair or upgrade of the braking area in your Audi and need other components from the same group, such as flexible hoses, rigid lines, or booster connectors, check out the available parts in the Audi brake hoses, lines and connectors category.