Audi A4 B9 A6 C7 A7 4G Vacuum Hose Pipe Line 3.0 TDI Diesel Engine 059131058F

Audi A4 B9 A6 C7 A7 4G Vacuum Hose Pipe Line 3.0 TDI Diesel Engine is an original component from the Lines, hoses and pipes group, designed for Audi diesel systems. Engineered specifically for 3.0 TDI units, it ensures stable vacuum routing within the diesel engine bay, which translates into predictable operation of accessories and correct response of vacuum-controlled systems.

Specifications and technical data

• SKU: 059131058F
• Mark: Audi
• Condition: Used
• OEM Part Number: 059131058F
• Substitutable numbers: 059131058F, 059 131 058 F
• Fuel type: Diesel
• Category: Hoses, Lines & Pipes

Purpose and function of the vacuum hose

The presented vacuum hose is a component of the vacuum control system in an Audi diesel engine, working with accessories such as actuators, valves, or adjustment elements in 3.0 TDI units. It is responsible for the safe and airtight transmission of vacuum between individual components, which is crucial for engine stability and the proper functioning of auxiliary systems.

Thanks to its factory fitment for Audi A4 B9, A6 C7, and A7 4G models, the hose maintains the correct routing geometry in the engine bay, minimizing the risk of chafing, kinking, or improper positioning. This is particularly important in modern diesel units, where the vacuum system interacts with many precision components.

Construction and compatibility with the 3.0 TDI diesel engine

The vacuum hose has been designed specifically for Audi diesel engines, which means it meets the temperature and pressure requirements typical for 3.0 TDI units. The design of the hose includes:

• an appropriately selected inner diameter for proper vacuum flow,
• a shape matched to factory mounting points in the engine bay,
• material resistant to operating conditions in the vicinity of a diesel unit.

Such a solution reduces the risk of leaks and malfunctions of the vacuum control system, which in practice can affect engine smoothness, load response, and interaction with other vehicle systems.

Benefits of using an original Audi hose

Using an original vacuum hose in an Audi A4 B9, A6 C7, or A7 4G allows you to maintain the factory performance parameters of the vacuum system. Key advantages include:

• secure fitment for the 3.0 TDI unit – no need for modifications or adapting universal hoses,
• consistency with other system components, which facilitates diagnostics and service,
• maintaining predictable diesel engine behavior under various load conditions.

For workshops and users, this means faster installation, lower risk of operational issues, and easier maintenance of the vehicle in good technical condition.

Component condition and service application

The offered vacuum hose is a used part, making it an attractive solution for service repairs where reasonable cost is important while maintaining original specifications. This type of component is suitable both for replacing a damaged hose and during more extensive work within the vacuum system of a diesel engine.

In practice, the hose can be used as a replacement for the factory-installed line in Audi vehicles with a 3.0 TDI unit when the existing component shows signs of wear, leaks, or mechanical damage.

System expansion – other Audi lines and hoses

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

Technical support and service knowledge

When working on vehicle systems – especially in modern designs – it is worth expanding your knowledge about how individual components interact. For a better understanding of the relationships between mechanical and control elements, you can use guide materials, such as the article Steering system and power steering – how it works and what breaks?, which shows a practical approach to the diagnostics and operation of key car systems.