Audi S7 4G8 4.0 TFSI Petrol Engine Turbocharger Oil Feed Pipe Hose 079145140F

The Audi S7 4G8 4.0 TFSI petrol turbocharger oil line is an original turbocharger component designed specifically for the 4.0 TFSI petrol engine. It ensures a stable oil supply to the turbocharger, ensuring safe engine operation and maintaining the characteristic performance of the Audi S7.

Specifications and technical data

• SKU: 079145140F
• Mark: Audi
• Condition: Used
• OEM Part Number: 079145140F
• Substitutable numbers: 079145140F, 079 145 140 F
• Fuel type: Petrol
• Category: Turbos & Parts

Purpose and role in the charging system

The turbocharger oil line is responsible for supplying lubricating and cooling oil to the turbine wheel in the 4.0 TFSI engine. In high-performance petrol engines like the Audi S7 4G8, stable turbocharger lubrication is crucial for maintaining boost pressure, reducing friction, and protecting rotating components from overheating.

Using the original hose in the supercharger system allows you to maintain the factory oil flow parameters, which is important both for the durability of the turbine and for the repeatability of performance during dynamic driving.

Original origin and fitment to the Audi S7

This component comes from Audi's line of parts and is designed for the 4.0 TFSI petrol engine in the 4G8 generation S7 model. This ensures that the hose geometry, connection diameters, and mounting points are consistent with the vehicle's factory specifications, simplifying installation and minimizing the risk of leaks.

Original workmanship also means maintaining appropriate resistance to the operating temperature and pressure found in the engine compartment of a high-powered car such as the Audi S7.

Technical and operational characteristics

The hose is designed to operate in the lubrication system of a gasoline engine, where the oil also acts as a cooling medium for the turbocharger. The hose's design includes:

• resistance to high temperatures generated by the hot side of the turbine,
• dimensional stability under changes in thermal load,
• tightness of connections with the turbocharger housing and engine block.

Such properties are especially important in 4.0 TFSI engines, where the turbocharger operates under high load and any disruptions in the oil supply can lead to accelerated wear or damage to the charging system.

Used condition and the benefits of choosing parts from dismantling

The oil line is offered in used condition, allowing for a cost-effective repair of the turbocharger system while maintaining the original Audi specifications. For many users, this means restoring turbocharger performance without having to resort to unreliable aftermarket parts.

Used OEM components are particularly valued in cars like the Audi S7, where the integrity of the entire drivetrain and maintaining the engine's factory-like operating characteristics are paramount. A properly selected oil line helps maintain the smooth operation of the 4.0 TFSI engine and reduce the risk of leaks in the turbocharger area.

Application in service and diagnostics

Replacing the turbocharger oil line is recommended in the following cases:

• finding oil leaks in the turbine area,
• corrosion or mechanical damage to the cable,
• service work related to the dismantling of the turbocharger.

Choosing an original cable specifically designed for the Audi S7 4G8 4.0 TFSI simplifies service work, as it requires no modifications or adjustments to the shape or termination. This is important both for workshops specializing in Audi and for users concerned with compliance with manufacturer documentation.

Other Audi turbocharger oil lines

If you're looking for other turbocharger oil lines for Audi, check out our dedicated category: Audi turbocharger oil lines . This allows you to easily compare available components within the same category and brand.

Maintaining Audi Character with Used Parts

For owners of S and RS models, preserving the car's original character is crucial, even when repairing with aftermarket parts. You can read more about how carefully selected OEM parts preserve the brand's DNA in the article: Audi and Pure Emotions – How Used Parts Help Maintain the Brand's DNA .