Audi A4 B7 Intercooler Pressure Pipe Hose 2.0 TDI Boost 8E0145790P

Description

The Audi A4 B7 Intercooler Pressure Pipe Hose 2.0 TDI Boost is an original boost system pressure hose designed for 2.0 TDI diesel engines in the Audi A4 B7 generation. This component belongs to the Hoses, Tubes, and Pipes group and is responsible for the sealed and stable routing of compressed air between the intercooler and subsequent intake system components. Thanks to its factory geometry and fit, the hose ensures correct turbocharging operating parameters.

Specifications and technical data

• SKU: 8E0145790P
• Mark: Audi
• Condition: Used
• OEM Part Number: 8E0145790P
• Substitutable numbers: 8E0145790P, 8E0 145 790 P
• Part type: Hose
• Category: Hoses, Lines & Pipes

Purpose and Function in the Boost System

The presented pressure hose is an intake system component responsible for transporting compressed air from the intercooler to further sections of the system in the 2.0 TDI engine. A correctly selected and sealed hose:

• maintains stable boost pressure across the full engine load range,
• limits power loss resulting from hose leaks or deformation,
• supports the correct operation of the turbocharger and boost control system,
• minimizes the risk of intake air overheating due to proper airflow management behind the intercooler.

Thanks to its construction in line with Audi’s factory specifications, the hose maintains appropriate stiffness and flexibility, which is crucial for dynamic pressure and temperature changes within the system.

Construction and Fit for Audi A4 B7 2.0 TDI

The hose has been specifically designed for the engine bay geometry of the Audi A4 B7 with a 2.0 TDI unit, which translates to:

• precise routing between the intercooler and subsequent intake components,
• appropriate shaping of curves and diameters for factory spigots and connectors,
• compatibility with factory clamps and mountings.

Original sourcing from the Audi group means adherence to proper dimensional tolerances, which facilitates installation and reduces the risk of stress within the system. This is particularly important for pressure hoses that operate under variable mechanical and thermal loads.

Benefits of Using an Original Pressure Hose

Using an original pressure hose in the Audi A4 B7 2.0 TDI boost system allows for the restoration of factory engine operating parameters. Replacing a worn or leaking component with the correct part from the Hoses, Tubes, and Pipes group can lead to:

• more stable throttle response and better acceleration dynamics,
• reduced risk of the engine entering limp mode due to boost pressure errors,
• fewer incorrect readings from pressure and airflow sensors,
• reduction of undesirable hissing or whistling noises resulting from micro-leaks.

This solution is particularly recommended for diagnosing power loss, boost issues, and after mechanical damage to intake hoses has been identified.

Component Condition and Service Application

The offered hose comes from an original Audi intake system and is a used component, making it an attractive cost-effective alternative to new OEM parts. This type of component is suitable for both standard repairs after a failure and for phased rebuilding of the boost system in a 2.0 TDI engine when several hoses around the intercooler and intake need replacement.

Expanding the Intake System in Audi

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, vacuum hoses, or charge air cooling pipes, check the available parts in the Audi Hoses, Tubes, and Pipes category.

If you want to better understand the relationships between the intake and exhaust systems in cars like Audi, BMW, Mercedes, VW, or Mini, and get practical tips on selecting used components, check out the article Performance Exhaust System: Used Sport Manifolds and Catalytic Converters on the Road, which will help you approach modifications and repairs holistically.