Audi A6 C8 A7 4K Intercooler Pressure Hose Pipe Right O/S 3.0 TFSI 4K0145738AB

Audi A6 C8 A7 4K Intercooler Pressure Hose Pipe Right O/S 3.0 TFSI is an original component from the Lines, hoses and pipes group, designed for the forced induction system in petrol engines. It ensures a tight and stable flow of compressed air between the turbocharger, intercooler, and intake manifold, which directly impacts the performance and smooth operation of the 3.0 TFSI unit.

Specifications and technical data

• SKU: 4K0145738AB
• Mark: Audi
• Condition: Used
• OEM Part Number: 4K0145738AB
• Substitutable numbers: 4K0145738AB, 4K0 145 738 AB
• Location on the vehicle: Right
• Fuel type: Petrol
• Part type: Hose
• Category: Hoses, Lines & Pipes

Purpose and function in the forced induction system

This pressure hose is a component of the intake system in modern TFSI petrol engines, responsible for transporting compressed air at the required pressure. Its positioning on the right side of the vehicle allows for precise alignment with the factory installation routing in the engine bay, which reduces stress and the risk of leaks.

Thanks to a design compliant with Audi's factory standards, the hose maintains stable flow parameters, supporting proper turbocharger operation, the maintenance of correct boost pressure, and seamless interaction with the engine control electronics.

Construction and fitment for Audi A6 C8 / A7 4K

The hose has been specifically designed for the Audi A6 C8 and Audi A7 4K platform with the 3.0 TFSI engine, which translates into:

• factory-style routing in the engine bay without the need for modifications,
• properly selected bend geometry and internal diameter,
• compatibility with original connectors and clamps.

Such fitment reduces the risk of pressure drops, uncontrolled air leaks, and unwanted hose vibrations during engine operation.

Benefits of using an original pressure hose

Using an original intercooler pressure hose in a TFSI petrol engine provides a number of practical benefits:

• Stable boost pressure – the proper seal and hose diameter support correct boost values, which translates into predictable performance.
• Proper interaction with the engine control system – the absence of leaks minimizes the risk of errors related to the air-fuel mixture and intake pressure.
• Hassle-free installation – the component is designed for a specific Audi platform, allowing for installation in accordance with the factory service procedure.
• Consistency with the rest of the intake system – maintaining the original hose geometry facilitates future service and diagnostics.

Condition, application, and service aspects

The hose is a removed part and is intended for reinstallation in vehicles with a 3.0 TFSI petrol engine, where maintaining factory airflow characteristics is required. This solution is particularly useful for repairs following a forced induction system failure, replacing a damaged hose, or restoring the stock intake configuration after modifications.

During installation, it is recommended to check the condition of the cooperating intake system components (clamps, nozzles, intercooler, connectors) and verify the seal after installation to fully utilize the hose's potential and avoid power drops or diagnostic errors.

Intake system expansion and related components

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 intercooler hoses, intake hoses, or vacuum lines, check the available parts in the Audi lines, hoses and pipes category.

For users interested in a broader approach to powertrain modifications, including the impact of intake and exhaust changes on engine performance, the article describing the practical aspects of selecting and installing a sports exhaust system in turbocharged cars may be helpful – you can find it here: Used Mini John Cooper Works Pro sports exhaust – a legal way to get a racy sound and +7 HP.