Perun Turbo Upgrade 057145874D Genuine OEM for Audi Q7, Volkswagen Touareg & Porsche Cayenne 4.2 TDI V8

The Perun Turbo Upgrade 057145874D is a premium Genuine OEM-based performance turbocharger designed for selected Audi, Volkswagen and Porsche vehicles equipped with the powerful 4.2 TDI V8 engine. Engineered using high-quality components and precision-balanced rotating assemblies, this upgraded turbocharger delivers increased airflow, faster boost response, and improved compressor efficiency while maintaining OEM-style installation.

Whether replacing a worn factory turbocharger or upgrading for increased performance, the Perun Turbo Upgrade provides outstanding reliability and excellent drivability. When combined with appropriate supporting modifications and professional ECU calibration, it offers enhanced horsepower, increased torque, and improved engine responsiveness without compromising everyday usability.

Key Features

• Perun Genuine OEM performance turbocharger.
• OEM Part Number: 057145874D.
• Designed for selected Audi, Volkswagen and Porsche 4.2 TDI V8 models.
• High-flow compressor for improved airflow and efficiency.
• Precision-balanced rotating assembly.
• OEM-style fitment for direct replacement.
• Manufactured using premium-quality performance components.
• Built for long-term durability and reliable operation.

Performance Benefits

• Reduced turbo lag and faster boost response.
• Improved airflow throughout the RPM range.
• Enhanced engine efficiency and throttle response.
• Supports increased horsepower and torque with supporting modifications.
• Maintains excellent drivability and towing performance.
• Ideal for both replacement and performance applications.

Vehicle Compatibility

• Audi Q7 4.2 TDI V8 (selected models).
• Volkswagen Touareg 4.2 TDI V8 (selected models).
• Porsche Cayenne 4.2 TDI V8 (selected models).

Please verify compatibility using your VIN number, engine code, and existing turbocharger part number 057145874D before purchasing. Compatibility may vary depending on production date, engine variant, and vehicle specification.

Recommended Supporting Modifications

• Professional ECU calibration.
• Performance intercooler.
• High-flow intake system.
• Upgraded boost and intake pipework.
• Performance exhaust system where applicable.
• Routine servicing using premium-quality engine oil and filters.

Installation Information

• Professional installation is recommended.
• Inspect and clean the oil feed and return lines before installation.
• Prime the turbocharger with clean engine oil before initial start-up.
• Inspect the intercooler and intake system for contamination.
• Replace worn seals and gaskets during installation.
• Professional ECU calibration is recommended to maximise performance and reliability.

Why Choose Perun?

Perun Performance turbochargers are engineered using precision-machined components, upgraded compressor technology, and rigorous quality control procedures. Every turbocharger is dynamically balanced and tested to deliver exceptional reliability, rapid boost response, and long-lasting performance for demanding European diesel engines.