Audi A6 C8 Intercooler Charge Air Pressure Pipe Hose Line 3.0 TDI 4K0145709N

Audi A6 C8 3.0 TDI Intercooler Boost Hose is an intake system component designed by Audi manufacturer for stable compressed air delivery in diesel engines. This used part from the Hoses, Pipes & Tubes category allows for a technical, economical, and factory-compliant replacement of a damaged boost pipe section.

Specifications and technical data

• SKU: 4K0145709N
• Mark: Audi
• Condition: Used
• OEM Part Number: 4K0145709N
• Substitutable numbers: 4K0145709N, 4K0 145 709 N
• Fuel type: Diesel
• Part type: Pipe
• Category: Hoses, Lines & Pipes

Application in Audi A6 C8 3.0 TDI

This boost pressure hose operates in the intake system between the turbocharger, intercooler, and intake manifold in 3.0 TDI Diesel units. It is responsible for the airtight and stable routing of compressed air, which directly impacts:

• correct boost pressure under load,
• smooth engine operation across the entire RPM range,
• maintaining factory power and torque parameters,
• reducing performance drops caused by leaks.

Thanks to its manufacturer-designed construction, the hose maintains the correct air routing geometry, minimizing flow losses and supporting stable boost system operation.

Construction and Technical Characteristics

The hose belongs to the Hoses, Pipes & Tubes category, meaning it is designed to operate in the demanding engine bay environment, considering high temperatures, vibrations, and pressure changes. The component features:

• factory shapes adapted for installation in the Audi A6 C8 generation,
• manufacturer-designed diameters ensuring proper airflow,
• mounting points and ends compatible with stock intake system connectors.

This design facilitates installation and preserves the original airflow path from the intercooler to the manifold, which is crucial for proper diesel engine operation.

Benefits of Using an Original Audi Hose

Using an original boost pressure hose in the Audi A6 C8 3.0 TDI offers several practical benefits for everyday use:

• Factory Fitment – proper alignment with other intake system components reduces the risk of leaks and installation stress.
• Stable Operating Parameters – maintaining correct boost pressure promotes smooth acceleration and predictable throttle response.
• Diesel Engine Compatibility – the hose is adapted to the operating characteristics of diesel units, including higher loads at low RPMs.
• Reasonable Repair Cost – a used part allows for restoring boost system functionality without the need to invest in a complete new system.

Condition, Installation, and Part Selection

The offered hose is a dismantled, classified as a used original part. Before installation, a standard visual inspection for any signs of wear is recommended to adapt the installation method to the specific vehicle instance.

When selecting a hose for the Audi A6 C8 3.0 TDI, it is worth paying attention to:

• compatibility with the diesel engine version,
• the hose routing in the engine bay,
• the type of connectors and clamps used in the existing intake system.

Selecting parts according to manufacturer designations and the Hoses, Pipes & Tubes category helps avoid installation problems and ensures correct boost system operation after replacement.

Other Audi Hoses, Pipes & Tubes and Guide Materials

If you are also looking for other Audi Hoses, Pipes & Tubes for your car, check out the dedicated category: Audi hoses, pipes & tubes. You will find a wide selection of intake, cooling, and other system components there, making it easier to service your vehicle comprehensively in one place.

When planning brake system service alongside intake work, it is worth reading the practical guide: how to safely choose used brake discs, calipers, and ABS components. This is a helpful addition to your knowledge when assembling used parts from a single store.