Audi A4 B8 A5 8T Intercooler Turbo Hose Pipe Tube Line 2.0 TDI 8K0145737K

Audi A4 B8 A5 8T Intercooler Turbo Hose Pipe Tube Line is an original intake system component from the Hoses, pipes and tubes category, designed for diesel engines. It ensures a tight and stable flow of compressed air between the intercooler and other system components, which translates into the proper operation of the diesel power unit.

Specifications and technical data

• SKU: 8K0145737K
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0145737K
• Substitutable numbers: 8K0145737K, 8K0 145 737 K
• Fuel type: Diesel
• Category: Hoses, Lines & Pipes

Purpose and function in the intake system

The described air pipe is a component connecting the turbocharging system parts in Audi A4 B8 and Audi A5 8T models with a 2.0 TDI engine. Its task is to safely route compressed air from the intercooler to the intake manifold or further sections of the installation, while maintaining proper flow and minimal pressure loss. A correctly selected hose reduces the risk of power loss, the engine entering limp mode, and problems with turbocharger operation.

Construction and technical parameters for practical use

The pipe belongs to the group of flexible and rigid intake system components, designed specifically for Diesel units with high boost pressure. The hose construction is adapted to the temperatures and loads occurring in 2.0 TDI engines, which allows for stable operation during dynamic driving and long-term highway loads. Properly profiled sections and connection diameters ensure correct fitment with factory clamps and connectors in the engine bay.

Benefits of using an original Audi hose

Using an original air hose in an Audi A4 B8 or A5 8T allows you to maintain factory air flow parameters and proper cooperation with the turbocharger and intercooler. The most important advantages include:

• factory fitment to the intake system without the need for modifications,
• adequate resistance to temperature and pressure typical for TDI engines,
• reduced risk of leaks and power drops,
• stable operation of the power unit under load.

Thanks to this, the hose is a practical solution both for standard replacement of a worn-out part and for repairs after a turbocharging system failure.

Characteristics of the used component

The offered hose is a used component, which in practice means it comes from disassembly and has been verified for further operational suitability. This type of part is an attractive cost alternative to a new component, while maintaining the original geometry and fitment to the factory intake system. Choosing a used air hose is particularly beneficial for routine repairs when it is crucial to combine proper functionality with a reasonable service budget.

Application in service and diagnostics of the turbocharging system

Replacement of the intercooler air hose is recommended in case of cracks, abrasions, oil traces on the outer surface, or a noticeable drop in engine performance. A correctly selected element helps eliminate typical symptoms of leaks, such as whistling during acceleration, smoke, or engine control unit errors related to boost pressure. Installation of the hose does not require structural modifications, only correct seating on the connectors and the use of appropriate clamps.

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 intake hoses, vacuum hoses, or charge air cooling pipes, check the available parts in the Audi hoses, pipes and tubes category.

For drivers interested in a broader approach to selecting used components for their car, including elements cooperating with the drivetrain, an article comparing different suspension design solutions and issues related to purchasing second-hand parts may be helpful – more information can be found in the material Stock vs. sports suspension – design differences and is it worth buying used suspension parts?.