Audi A4 B9 Turbocharger Part Housing Cover 2.0 CVKB Petrol 06L145654F

Audi A4 B9 Turbocharger Part Housing Cover 2.0 CVKB Petrol is an original component from the Turbochargers and parts group, designed for 2.0 petrol units in the Audi A4 B9 generation model with the CVKB engine. This solution allows for a technically correct repair of the boost system, maintaining factory geometry and fitment with engine accessories.

Specifications and technical data

• SKU: 06L145654C-2
• Mark: Audi
• Condition: Used
• OEM Part Number: 06L145654C
• Substitutable numbers: 06L145654C, 06L 145 654 C
• Fuel type: Petrol
• Part type: Turbocharger
• Category: Turbos & Parts

Purpose and function of the turbocharger housing

The turbocharger housing in the 2.0 CVKB petrol engine is responsible for the stable guidance of the exhaust gas stream and intake air, as well as the proper positioning of the rotor and internal components. In the event of mechanical damage, cracks, or deformation of the body, replacing the housing itself is often the most rational service solution, allowing for the reuse of functional turbocharger sub-assemblies.

Benefits of using an original Audi housing

Using an original housing from the Turbochargers and parts group ensures:

• factory fitment to the exhaust and intake system in the Audi A4 B9 with the CVKB engine,
• preservation of the correct geometry of exhaust and air channels,
• compatibility with factory turbocharger accessories,
• the possibility of precise regeneration of the existing turbocharger without interfering with other system components. As a result, the housing provides a solid foundation for further service work, reducing the risk of leaks, incorrect boost pressure, or accelerated rotor wear.

Technical characteristics and compatibility

The presented housing is designed for a petrol engine, which is significant for the material's resistance to temperature, exhaust flow characteristics, and interaction with the boost control system. The construction is adapted to the specific operating conditions of the 2.0 CVKB unit, including the RPM range, boost pressure, and exhaust emission requirements. In practice, this means that with proper installation and adherence to service procedures, stable turbocharger operating parameters can be achieved without the need for non-factory modifications or adaptations. This is particularly important in modern petrol units, where the boost system is closely linked to the engine control unit software.

Use in turbocharger service and regeneration

The turbocharger housing for the Audi A4 B9 with the 2.0 CVKB engine is suitable for both standard repairs and comprehensive regeneration of the boost system. It can be used in situations where:

• mechanical damage to the body has occurred while internal components remain functional,
• it is necessary to replace a corroded or overheated housing,
• the service center wants to restore the factory configuration of the turbocharger without using aftermarket replacements. Thanks to this solution, repair costs can be optimized while maintaining engine performance parameters at a level close to factory specifications.

Component condition and practical assembly tips

The product is in used condition, which in the case of items from the Turbochargers and parts group often represents a reasonable compromise between cost and quality, especially when it comes from the original Audi production line. Before installation, it is recommended to perform a standard verification of mating surfaces, threads, and flow channels, as well as to use new gaskets and mounting hardware in accordance with the manufacturer's service procedures. Proper installation of the housing, combined with checking the condition of the rotor, bearings, and lubrication system, allows for restoring the correct operation of the turbocharger and reducing the risk of recurring failures in the boost area.

Drivetrain expansion and technical knowledge

In the case of Audi vehicles equipped with quattro drive, a properly functioning turbocharger has a direct impact on the dynamics of the entire drivetrain, especially during acceleration and driving under load. If you want to better understand how the boost system works with all-wheel drive and what the differences are between solutions from various manufacturers, it is worth reading the article xDrive, 4Matic, quattro or 4Motion – a comparison of AWD systems from BMW, Mercedes, Audi and VW. 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 bodies, manifolds, or turbocharger mounting elements, check the available parts in the Audi Turbochargers and parts category.