Audi A6 C7 A7 4G Turbocharger Turbo 3.0 TDI CRTD Diesel 059145873BP

The Audi A6 C7 A7 4G Turbocharger 3.0 TDI CRTD Diesel is an original part from the Turbochargers and Parts group, designed for 3.0 TDI diesel engines in Audi A6 C7 and A7 4G models. Designed as a factory component of the boost system, it ensures proper exhaust gas and air flow parameters, which translates to stable engine operation and maintenance of factory performance.

Specifications and technical data

• SKU: 059145873BP
• Mark: Audi
• Condition: Used
• OEM Part Number: 059145873BP
• Substitutable numbers: 059145873BP, 059 145 873 BP
• Fuel type: Diesel
• Part type: Turbocharger
• Category: Turbos & Parts

Intended Use and Role in the Powertrain

The presented turbocharger is dedicated to the 3.0 TDI diesel engine in the Audi A6 C7 and A7 4G platforms, where it is responsible for increasing the amount of air supplied to the cylinders. This allows the engine to operate with higher volumetric efficiency, maintaining appropriate torque across a wide RPM range. The use of the correct turbocharger is crucial for:

• maintaining correct boost pressure in the diesel engine,
• stable operation of the injection system and engine control system,
• limiting smoke and maintaining compliance with factory emission standards,
• proper cooperation with the exhaust system and exhaust gas recirculation.

Benefits of Using an Original Audi Turbocharger

Using an original turbocharger in an Audi A6 C7 or A7 4G allows you to maintain the factory operating characteristics of the 3.0 TDI engine. This component has been specifically designed for the thermal loads and pressures present in the diesel unit, which promotes predictable vehicle behavior in daily use. Proper matching of the turbo geometry to the specific engine reduces the risk of overboosting, power loss, or incorrect throttle response.

Compared to aftermarket alternatives, an original turbocharger ensures compatibility with the engine control unit software, which facilitates diagnostics, adaptation, and subsequent servicing. For the user, this means more predictable vehicle behavior, better engine refinement, and a lower risk of secondary faults related to improper boost.

Technical Characteristics in the Context of a Diesel Engine

The 3.0 TDI diesel engine requires a turbocharger adapted for high torque and significant thermal loads. The boost system used here has been configured for:

• operation with Diesel fuel,
• proper exhaust gas temperature management under high load,
• maintaining correct airflow for exhaust gas aftertreatment systems,
• cooperation with the factory Audi engine control unit software.

This allows the turbocharger to support both dynamic driving and calm operation at low and medium RPMs, providing the flexibility typical of 3.0 TDI units.

Condition, Selection, and Installation

The offered turbocharger is a used part, allowing for economical repair of the boost system while maintaining the original design specifications. Before installation, it is recommended to follow the standard system preparation procedure: check the oil line passages for blockages, verify intake system tightness, and assess the condition of the air filter and exhaust system. Proper installation and initial startup with oil system bleeding are crucial for the turbocharger's durability.

Part selection is facilitated by manufacturer markings and interchangeable numbers available in the technical specifications. These allow you to verify compatibility with your specific 3.0 TDI engine version in the Audi A6 C7 or A7 4G, minimizing the risk of errors during ordering and installation.

Boost System Expansion and Related Components

For comprehensive boost system servicing, it is also worth considering checking cooperating components such as intake pipes, intercooler, control valves, or mounts. If you are planning a comprehensive repair or upgrade of the engine area in your Audi and need other parts from the same group, such as housings, mounts, or additional boost system components, check the available parts in the Audi Turbochargers and Parts category.

When working with the boost system and a diesel engine, it is also important to ensure proper engine operating temperature and thermal comfort inside the cabin. Practical tips on selecting and operating components responsible for thermal comfort can be found in the article Air Conditioning and Heating – Part Selection and Maintenance for Year-Round Comfort, which discusses, among other things, the principles of selecting used OEM parts and service schedules.