Audi Q7 4L Garrett Turbo Charger Turbocharger 4.2 TDI Right O/S 057145722Q

The Audi Q7 4L Garrett Turbo 4.2 TDI Right Turbocharger is an original turbocharger component designed for the 4.2 TDI diesel engine in the 4L generation Audi Q7. A used turbocharger from this series allows for an economical, yet technically correct repair of the right-side turbocharger system.

Specifications and technical data

• SKU: 057145722Q
• Mark: Audi
• Condition: Used
• OEM Part Number: 057145722Q
• Substitutable numbers: 057145722Q, 057 145 722 Q, 6NW009543, 6NW 009 543, 763797, 763492-0005
• Location on the vehicle: Right
• Fuel type: Diesel
• Category: Turbos & Parts

Purpose and configuration of the supercharging system

The Audi Q7 4L Garrett Turbo 4.2 TDI Right Turbocharger works in the diesel engine's supercharging system, servicing the right side of the V8 engine. This turbocharger and parts component is designed specifically for the torque requirements and operating characteristics of the 4.2 TDI engine.

The right-side engine location is important for both manifold geometry and exhaust and intake duct routing. Choosing the correct mounting side is crucial for:

• correct fit with the exhaust manifold and intake,
• maintaining factory boost characteristics,
• stable operation of the drive unit in the full load range.

Technical characteristics and advantages of use

The turbocharger offered is a component used by Audi at the factory, ensuring compatibility with the standard engine and control systems. Designed for use with diesel fuel, it provides adequate resistance to the high exhaust gas temperatures and high boost pressures typical of powerful TDI engines.

The key benefits of using this turbocharger include:

• maintaining the factory power and torque parameters of the 4.2 TDI engine,
• compatibility with standard engine control and accessories,
• consistency with the factory exhaust and intake system on the right side of the vehicle.

Condition of the used part and assembly aspects

The component is offered as a used part, significantly reducing repair costs compared to a new OEM turbocharger while maintaining the original design. This solution is particularly attractive for complex diesel engine repairs, where the total cost of the work is high.

Before installation, a standard service procedure is recommended, including:

• verification of the lubrication system (oil pipes patency, oil condition),
• checking the intake system for leaks and contamination,
• checking the correct operation of the vehicle's boost control.

This approach minimizes the risk of repeated failure and allows the full potential of the turbocharger used to be utilized.

Turbocharger selection and compliance with reference numbers

This model is assigned OEM and interchangeable numbers, which allow for precise identification and comparison with the currently installed component. When selecting, it's worth considering:

• compatibility of the mounting side (right) with the engine system,
• belonging to the 4.2 TDI unit in the Audi Q7 4L,
• a comparison of reference numbers with data in the technical specifications.

If you are unsure about fitment, it is helpful to compare the turbocharger nameplate markings with your vehicle's data and the shop's specifications.

Related Audi Turbochargers and Technical Knowledge

If you are looking for other turbochargers for this brand, check out the dedicated turbochargers and parts for Audi category, where you will find a wide selection of turbocharger components suitable for various models.

When planning a drivetrain repair – especially in powerful diesel engines – it's also worth considering the condition of the clutch and drivetrain components. The guide "Clutch and Dual Mass Flywheel – Diagnostics and Part Selection for the Drivetrain" can be helpful, as it facilitates a comprehensive approach to drivetrain servicing in high-torque vehicles.

If you're considering whether a new or used part is the better choice for you, you'll find a practical comparison of costs and durability in "New or Used? Comparison of Cost and Quality of Car Parts," which will allow you to make an informed decision about your turbocharger and other engine component repair strategy.