Audi A5 8T Turbo Oil Feed Line Pipe Hose 2.0 TDI Diesel 04L145771H

The Audi A5 8T Turbo Oil Hose 2.0 TDI Diesel is an original turbocharger component designed for the diesel engines in the Audi A5 8T. It ensures a stable oil supply to the turbocharger, which is crucial for its durability and proper engine operation.

Specifications and technical data

• SKU: 04L145771H
• Mark: Audi
• Condition: Used
• OEM Part Number: 04L145771H
• Substitutable numbers: 04L145771H, 04L 145 771 H
• Fuel type: Diesel
• Category: Turbos & Parts

Purpose and function in the turbocharging system

The turbo oil line for the Audi A5 8T diesel engine is responsible for supplying lubricating and cooling oil to the turbocharger. A properly selected oil hose:

• ensures stable oil pressure in the turbine housing,
• reduces the risk of turbine bearings overheating,
• affects the operating culture of the 2.0 TDI engine,
• reduces the risk of turbocharger failure due to insufficient lubrication.

By adapting it to the specific configuration of the drive unit, the hose maintains the correct oil routing geometry and compatibility with the turbocharging system in the Audi A5 8T.

Original origin and technical category

This oil hose comes from the turbocharger and parts group, meaning it's designed to operate in close proximity to high temperatures and variable loads. Its original Audi origin translates to:

• retaining factory mounting points,
• compatibility with the factory diesel engine lubrication system,
• consistency with other turbine accessories.

This adjustment is particularly important in TDI engines, where the turbocharger operates under significant load and the quality of lubrication has a direct impact on the service life of the entire system.

Used condition – a conscious choice when repairing

The component is offered in used condition, which represents a reasonable compromise between repair cost and maintaining the original manufacturer's specifications. In the case of turbocharged oil lines, selecting an original aftermarket part often allows for:

• maintain factory oil flow parameters,
• avoid problems with matching substitutes,
• reduce service costs while maintaining high component quality.

If you are considering whether remanufacturing or installing a used component is a better solution, it is worth reading the article "Remanufactured or used original - which part to choose when repairing?" , which discusses the practical differences between these approaches.

Benefits of using a dedicated turbo oil line

Selecting an oil line that is precisely matched to the Audi A5 8T with a 2.0 TDI engine brings a number of operational benefits:

• Stable turbine operation – proper oil flow reduces the risk of bearing seizure and reduced turbocharging efficiency.
• Better engine protection – correct lubrication of rotating components affects the overall durability of the drive unit.
• Consistency with the factory design – the original geometry of the hose facilitates installation and minimizes the risk of stress or leaks.
• Seamless integration with the diesel system – the hose is adapted to the operating conditions typical of diesel engines.

Selection of other turbo oil lines for Audi

If you are also looking for other turbo oil lines for cars of this brand, check out our turbochargers and parts for Audi category, where you will find a wide selection of turbocharger system components adapted to various models and engine configurations.

For those planning more extensive modifications or repairs using aftermarket components, a guide on purchasing used car parts and the most common mistakes when choosing tuning parts may also be useful, which helps to consciously approach the selection of used engine accessories.