Audi S7 4G8 4.0 TFSI Turbocharger Turbo Charger Manifold Left N/S 079145703E

The Audi S7 4G8 4.0 TFSI Turbocharger Turbo Turbine Manifold Left is an original supercharging system component integrated with the exhaust manifold, designed for the 4.0 TFSI petrol engine. A used turbocharger from this series is a good choice for drivers looking for a factory-installed solution with retained performance characteristics and a proper fit for the Audi S7's sporty engine.

Specifications and technical data

• SKU: 079145703E
• Mark: Audi
• Condition: Used
• OEM Part Number: 079145703E
• Substitutable numbers: 079145703E, 079 145 703 E
• Location on the vehicle: Left
• Fuel type: Petrol
• Category: Turbos & Parts

Purpose and configuration of the supercharging system

The turbocharger shown here, with its manifold on the left, is part of the turbocharging system for the gasoline engine in the 4G8 generation Audi S7 with the 4.0 TFSI engine. Integrating the turbine with the exhaust manifold ensures consistent exhaust flow, stable operating conditions, and proper alignment with the factory engine compartment geometry.

The component was designed specifically for the gasoline system, ensuring appropriate flow, pressure, and temperature characteristics, as well as compatibility with the factory engine management system. This ensures the stock dynamics, smooth operation, and predictable engine behavior under load.

Construction and technical characteristics

Combining the turbine with the exhaust manifold in a single unit reduces the number of connections, which promotes system tightness and reduces exhaust gas energy losses. This design:

• facilitates installation in the engine compartment – one unit instead of several separate elements,
• ensures stable thermal conditions in the hot side area of the turbine,
• allows you to maintain the factory exhaust gas routing and their even distribution on the rotor.

The 4.0 TFSI engine's turbocharging system is designed for the high loads typical of sporty engines. The use of the original turbocharger on the left side allows for maintaining proper operating parameters, including rapid boost pressure buildup and consistent throttle response across the entire rev range.

Application in tuning and repairs

A used turbocharger from the "Turbochargers and Parts" category is perfect both as a repair part and as a basis for modifications as part of a sensible tuning project. Replacing a worn turbocharger with an original component allows you to restore stock performance, reduce the risk of overheating, and improve engine stability at higher RPMs.

For those planning modifications, using the original component on the left side is crucial for evenly loading both sides of the turbocharger system and maintaining proper compatibility with the factory engine control unit software. This solution is particularly beneficial where durability and predictability are priorities, not extreme power increases.

If you are interested in the broader context of using used components in modifications, it is worth reading the article "Tuning with used parts - how to gain performance without breaking the bank" , which discusses practical rules for safe tuning using aftermarket components.

Condition, origin and benefits of choosing an original

This turbocharger is a used part, which significantly reduces the cost of repair or upgrade compared to a new component, while maintaining its factory design and fitment to the Audi S7 4G8. Its original origin translates to compliance with factory mounts, proper manifold geometry, and compatibility with engine accessories.

Choosing an original, used turbine with the manifold on the left side is a particularly advantageous solution when you want:

• maintaining the standard operating characteristics of the 4.0 TFSI engine,
• reducing repair costs while using the factory design,
• consistent fit to the existing exhaust and intake system.

Other Audi turbochargers – selection and compatibility

If you're also looking for other turbochargers for Audi —for example, for other engine versions or models of the brand—check out our dedicated Audi turbochargers category, where you'll find a wide selection of original aftermarket components. This makes it easier to select the right component for your car's specific configuration, while maintaining turbocharger system consistency and predictable operating parameters.