Audi A4 B8 A5 8T Turbocharger Turbo Housing 3.0 TDI CAPA Engine 059145722S

Audi A4 B8 A5 8T Turbocharger Turbo Housing 3.0 TDI CAPA is an original component from the Turbochargers and parts group, designed for the 3.0 TDI diesel engine induction system. Thanks to its factory geometry and precise fit for the CAPA unit, the housing ensures proper exhaust gas flow and stable seating of the turbocharger core, which directly impacts engine performance and smooth operation.

Specifications and technical data

• SKU: 059145722S-2
• Mark: Audi
• Condition: Used
• OEM Part Number: 059145722S
• Substitutable numbers: 059145722S, 059 145 722 S, 059145722L, 059 145 722 L
• Part type: Turbocharger
• Category: Turbos & Parts

Purpose and compatibility

The presented turbocharger housing is designed for Audi A4 B8 and Audi A5 8T models equipped with the 3.0 TDI engine with the CAPA code. It is a structural component of the induction system responsible for precisely directing the exhaust gas stream onto the turbine wheel and ensuring proper sealing of connections with the exhaust manifold and the rest of the system. By utilizing the original mounting geometry, the housing allows for the retention of factory mounting points, which facilitates servicing and reduces the risk of leaks in the induction system. This solution is particularly important when repairing 3.0 TDI units, where the stability of the turbocharger is crucial for the durability of the entire engine.

Technical characteristics of the housing

The turbocharger housing in this application serves as a load-bearing element for the turbo core and exhaust channels; therefore, its construction must ensure resistance to high temperatures and mechanical stress. The original Audi component guarantees:

• retention of the factory shape of the exhaust channels, which promotes stable boost pressure build-up,
• correct positioning of the turbocharger core relative to the manifold and exhaust system,
• compatibility with equipment intended for the 3.0 TDI CAPA unit in the Audi A4 B8 and A5 8T. As a result, the housing can be used both for standard turbocharger repairs and professional remanufacturing, where maintaining parameters consistent with factory specifications is required.

Condition, service application, and benefits of installation

The item comes from the used OE Audi parts group, meaning it is an original housing from disassembly, intended for reinstallation after verification and preparation by a service center. This type of component is particularly useful in situations where the existing housing has cracked, suffered thermal deformation, or has damaged mounting threads. Choosing an original turbocharger housing allows you to:

• maintain factory fitment for the 3.0 TDI CAPA unit without the need for modifications,
• reduce the risk of assembly issues and leaks in the induction system,
• keep turbocharger operating parameters at the level intended by the manufacturer. For workshops specializing in servicing Audi V6 TDI engines, this is a practical solution that shortens repair time and helps maintain consistency with the factory design of the powertrain.

Induction system expansion and parts selection

If you are planning a comprehensive repair or upgrade of the engine area in your Audi and need other elements from the same group, such as housings, cores, or turbocharger mounting hardware, check out the available parts in the Audi Turbochargers and parts category. When selecting used induction system components, it is worth paying attention to experiences with other models of this brand. In the context of safely increasing power and making informed choices regarding turbochargers, an article dedicated to the 2.5 TFSI unit may be helpful – it contains practical tips on assessing the condition of components and planning modifications: 2.5 TFSI DAZA – how to safely increase the power of an Audi RS3 by buying used turbochargers.

Technical support and additional knowledge

Selecting the right powertrain components, especially in cars with an extensive model history, requires knowledge of the structural differences between generations and engine versions. In the broader context of design and the evolution of technical solutions in the automotive industry, material comparing classic and modern designs, which discusses the role of original components in preserving a car's character, may be helpful: Classic Mini vs modern MINI – how the design has changed and which original Mini parts help preserve their character. By using original Audi components within the induction system, such as the turbocharger housing for the 3.0 TDI CAPA engine in the A4 B8 and A5 8T, it is possible to maintain structural consistency, predictable performance, and stable operation of the powertrain in the long term.