Audi A4 B8 Intercooler Turbo Hose Line Pipe 8K0145738T

Audi A4 B8 Intercooler Turbo Hose Line Pipe is an original boost system component from the Hoses, pipes and lines group, designed to operate in the demanding environment of the engine bay. Engineered by the vehicle manufacturer, it ensures proper routing of compressed air between the turbocharger and the intercooler, which translates into stable engine performance. Using this OEM component is a sensible choice for boost system maintenance when you prioritize factory fitment and predictable installation.

Specifications and technical data

• SKU: 8K0145738T
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0145738T
• Substitutable numbers: 8K0145738T, 8K0 145 738 T
• Category: Hoses, Lines & Pipes

Purpose and function in the boost system

The Audi A4 B8 Intercooler Turbo Hose Line Pipe is responsible for a tight and stable connection of the intake system components, carrying compressed air from the turbocharger to the charge air cooler. The proper shape and cross-sectional diameter ensure adequate flow, reducing pressure drops and the risk of turbulence that could affect engine performance.

The original design of the hose minimizes the risk of collision with other components in the engine bay, which is especially important in vehicles with complex auxiliary equipment. As a result, the component maintains a stable position during engine operation, vibrations, and temperature changes.

Benefits of using an original hose

Using a hose from the Audi brand allows you to maintain the factory performance parameters of the boost system. In practice, this means:

• secure fitment to the mounts and clamps used in the specific model,
• preservation of the airflow geometry designed by the manufacturer,
• reduced risk of leaks at critical connection points,
• easier diagnostics and future service, thanks to compliance with service documentation.

For the user, this translates into stable boost characteristics, predictable engine throttle response, and a lower risk of power loss resulting from leaks or incorrect hose routing.

Component condition and installation aspects

The offered hose is a used component, which in the case of OEM parts often allows for a favorable price-to-quality ratio while maintaining the factory design. This type of component is particularly useful for repairs where it is crucial to maintain the original routing of hoses in the engine bay, without the need for modifications or fitting universal replacements.

During installation, it is recommended to check the condition of the clamps and seals working with the hose and to verify proper alignment relative to other intake system components. A correctly installed hose reduces the risk of chafing and mechanical damage during operation.

Part selection by numbers and compatibility

The element has a dedicated OEM part number and associated interchangeable numbers, which facilitates precise identification and selection for a specific vehicle configuration. In practice, this means the ability to verify compatibility with a given engine and vehicle year based on service documentation or manufacturer catalogs, without having to rely solely on the visual similarity of the part.

When selecting a hose, it is worth comparing the shape, type of ends, and mounting method with the element removed from the vehicle. Such an approach reduces the risk of purchasing an incorrect component and speeds up the repair process.

Expanding intake system service

If you are planning a comprehensive repair or upgrade of the intake system area in your Audi and need other elements from the same group, such as flexible hose sections, rigid air pipes, or additional branches for auxiliary equipment, check the available parts in the Audi Hoses, pipes and lines category.

For more complex powertrain repairs, including transmission components, guide materials regarding the cost-effectiveness of using used parts may be helpful. In such a case, it is worth reading the article Used gearbox – when is it worth it and what you need to remember, which discusses the practical aspects of selecting and operating used components.