Audi A4 B8 A5 8T Air Intake Duct Pipe Tube 8K0129739

The Audi A4 B8 A5 8T Air Intake Hose Pipe is an original component of the air supply system in Audi diesel engines, designed specifically for A4 B8 and A5 8T models. Thanks to its factory geometry and fit for Diesel units, it ensures a stable airflow to the intake system, which promotes proper engine operation and reduces the risk of leaks. This is a practical solution for users who want to restore the correct functioning of the intake system using a part that complies with factory Audi standards.

Specifications and technical data

• SKU: 8K0129739
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0129739
• Substitutable numbers: 8K0129739, 8K0 129 739
• Fuel type: Diesel
• Category: Other Air & Fuel Delivery

Purpose and Function in the Intake System

The air intake hose in Audi A4 B8 and A5 8T diesel models is responsible for directing air from the intake system to further intake components. A correctly selected hose:

• maintains proper system sealing,
• stabilizes airflow under various engine loads,
• limits pressure drops in the intake,
• supports the correct operation of engine accessories in terms of air supply.

Thanks to its original design, the hose works with factory mountings and the engine bay shape, which facilitates installation and subsequent service maintenance.

Benefits of Using an Original Audi Intake Hose

Using an intake hose from the Audi OE group allows you to maintain operating parameters close to factory settings. Key benefits include:

• Factory fit for A4 B8 and A5 8T models – no need for modifications or adjustments to mountings.
• Compatibility with Diesel units used in these models – the hose geometry is adapted to the specifics of diesel engines.
• Stable air routing – reduces the risk of turbulence and leaks at critical points in the system.
• Possibility of using existing clamps and brackets – the hose integrates with the original intake routing.

For the user, this means predictable engine behavior, easier diagnostics, and no problems resulting from ill-fitting aftermarket parts.

Product Characteristics and Condition

The offered air intake hose is a component from the Other category, sourced from dismantling, in used condition. This type of part is a good choice when you want to maintain the original Audi specifications while optimizing repair costs. A used component allows you to restore the correct airflow path in a diesel engine without altering the factory construction.

The hose is designed for installation in place of the factory component, which facilitates the mechanic's work and reduces service time. In practice, this means the possibility of efficiently replacing a damaged or leaking hose without the need to modify other components in the engine bay.

Part Selection by Numbers and Integration with Other Components

The intake hose has a dedicated OEM part number and related interchangeable numbers, which facilitates precise identification and selection for a specific Audi A4 B8 or A5 8T configuration. It is worth verifying compatibility by numbers with the existing part or vehicle documentation to ensure the hose will work with the installed diesel engine accessories.

If you are planning a comprehensive repair or upgrade of the engine area in your Audi and need other components from the same group, such as intake hoses, air ducts, or air routing elements, check the available parts in the Other Audi category.

Technical Support and Knowledge of Audi Systems

When working with the intake system in modern diesel units, it is advisable to know the design differences between individual Audi model lines, especially in the context of more powerful versions. To better understand how Audi designs engines, air supply systems, and related components, you can use expert materials – a practical addition to your knowledge will be the article Audi RS vs. Other Models – What's Under the Hood and Chassis?, which discusses differences in engine, brake, and chassis construction, as well as how to select parts in the Global Parts offer.