Audi A4 B8 A5 8T Turbocharger Oil Feed Pipe Hose Line 3.0 TDi 059145771AA

Audi A4 B8 A5 8T Turbocharger Oil Feed Pipe Hose Line 3.0 TDi is an original component from the Turbochargers and parts group, designed for the forced induction system in the 3.0 TDI diesel engine. It ensures a stable oil supply to the turbocharger, which translates into safe engine operation and reduces the risk of premature turbocharger wear.

Specifications and technical data

• SKU: 059145771AA
• Mark: Audi
• Condition: Used
• OEM Part Number: 059145771AA
• Substitutable numbers: 059145771AA, 059 145 771 AA
• Part type: Turbocharger Hose
• Category: Turbos & Parts

Purpose and function in the forced induction system

The turbocharger oil feed pipe in Audi A4 B8 and Audi A5 8T models with the 3.0 TDI engine is responsible for precise lubrication of the turbocharger rotor. Proper oil flow is crucial for maintaining the correct operating temperature, minimizing friction, and protecting the turbocharger bearings from seizing. Using an original component from the Audi range allows you to maintain factory flow parameters and system tightness.

This element is particularly important in high-torque diesel engines, where the turbocharger operates under significant load. Replacing a worn or leaking pipe with a verified component helps reduce power drops, excessive exhaust smoke, and the risk of damaging the turbocharger itself.

Benefits of using an original oil feed pipe

Using a turbocharger oil feed pipe dedicated to the Audi A4 B8 and A5 8T 3.0 TDI provides a number of practical service and operational benefits:

• maintaining the factory routing geometry of the pipe in the engine bay,
• properly selected internal diameter for stable oil pressure,
• compatibility with original mounting points on the engine block and turbocharger,
• reducing the risk of oil leaks in high-temperature zones.

Thanks to this, the pipe is a safe service solution when replacing the turbocharger, performing an engine overhaul, or eliminating leaks in the turbocharger lubrication system.

Product characteristics and service application

The offered pipe comes from the Audi parts line and is assigned to the Turbochargers and parts category. As a used item, it represents an economical alternative to new components while maintaining the original manufacturer's specifications. It is suitable both for standard replacement of a worn pipe and for comprehensive maintenance of the forced induction system in the 3.0 TDI engine.

The turbocharger oil feed pipe should be considered as part of the service package when:

• the turbocharger is being replaced with another unit,
• traces of overheating or corrosion are found on the existing pipe,
• leaks have appeared in the lubrication system near the turbocharger,
• symptoms of oil pressure drops in the forced induction area occur.

Installation and operational recommendations

When installing the turbocharger oil feed pipe, it is recommended to maintain the factory routing of the oil line and use new seals in accordance with the manufacturer's guidelines. A correctly installed pipe supports stable turbocharger operation across the full load range, which is important both in daily use and during dynamic highway driving.

It is worth combining the pipe replacement with checking the engine oil level and adhering to service intervals. A well-maintained lubrication system extends the life of the turbocharger and reduces the risk of costly repairs in the future.

If you are planning a comprehensive repair or upgrade of the engine area in your Audi and need other elements from the same group, such as oil lines, connectors, or additional turbocharger fittings, check out the available parts in the Audi Turbochargers and parts category.

Expert support and parts selection

Choosing the right components for the forced induction system has a direct impact on engine durability and driving comfort. If you are interested in when it is worth reaching for high-end elements and how they differ from standard solutions, our blog article may be helpful: BMW M Performance: how do BMW M components differ from standard ones?. It allows for a better understanding of the importance of component quality in high-performance cars.

When making a decision to purchase a used turbocharger oil feed pipe, it is also worth knowing the typical pitfalls associated with the secondary market. You will find practical tips in our guide: Buying used car parts • Most common mistakes when choosing tuning parts, which helps you consciously plan repairs and upgrades without unnecessary risk.