Audi A4 B8 Seat Exeo 3R Oil Feed Turbo Charger Oil Pipe Line 2.0 TDI 03L145771A

The Audi A4 B8 Seat Exeo 3R 2.0 TDI Turbocharger Oil Hose is an original turbocharger and parts component designed for diesel engines. It ensures a stable oil supply to the turbine, ensuring proper lubrication and cooling of the turbocharger system in 2.0 TDI engines.

Specifications and technical data

• SKU: 03L145771A
• Mark: Seat
• Condition: Used
• OEM Part Number: 03L145771A
• Substitutable numbers: 03L145771A, 03L 145 771 A
• Fuel type: Diesel
• Category: Turbos & Parts

Purpose and function of the turbocharger oil line

The turbocharger oil line is responsible for transporting engine oil to the turbine core, which is crucial for bearing durability and the stable operation of the entire turbocharging system. In 2.0 TDI diesel engines, proper oil flow directly affects:

• reducing friction in the turbine rotor and bearings,
• heat removal from the hot part of the turbocharger,
• maintaining proper oil pressure in the circuit,
• reducing the risk of turbine seizure and overheating.

Replacing a worn or leaking hose with a functioning element is one of the basic preventive measures when servicing the turbocharging system in diesel engines.

Technical characteristics and compatibility

This hose is part of the turbocharger and parts group, meaning it's designed specifically for the high-temperature, high-pressure environment of a turbocharger system. The hose's design is adapted to:

• supplying the turbocharger with oil from the engine lubrication line,
• work in systems powered by diesel fuel,
• maintaining appropriate stiffness and vibration resistance of the drive unit.

Thanks to its factory origin from the Seat manufacturer's line, the cable retains the correct geometry, internal diameter and mounting points, which makes it easy to install in place of the old element without the need for modifications.

Product status and practical application

The hose is offered as a used part, allowing for cost-effective repair of the supercharger system while maintaining the original manufacturer's specifications. This type of component is particularly useful in situations where:

• the old pipe shows signs of corrosion or leaks,
• After a turbine failure, comprehensive maintenance of the lubrication system is necessary,
• We want to reduce the risk of repeated turbine damage caused by insufficient oil supply.

Selecting a cable in accordance with the manufacturer's documentation is important both for the safe operation of the turbine and for maintaining the operating parameters of the diesel engine.

Benefits of using the original oil line

The use of a turbocharger oil line dedicated to the Audi A4 B8 and Seat Exeo 3R with a 2.0 TDI engine brings a number of practical benefits:

• Proper fit – factory geometry and connection points facilitate installation and minimize the risk of leaks.
• Stable turbine lubrication – proper oil flow supports the life of the charging system and reduces the risk of costly breakdowns.
• Compatibility with diesel systems – the hose is designed to withstand operating conditions typical of diesel engines, including higher thermal loads.
• Reasonable repair cost – a used OEM part allows you to maintain high quality at a lower cost than new parts.

Complementing the offer and technical knowledge

If you're looking for other turbochargers and parts for Seat, check out our dedicated offer: turbochargers and parts for Seat . This will allow you to easily assemble a complete turbocharger system compliant with manufacturer requirements.

When choosing diesel engine components, it's important to understand the specifics of each engine. For a comparison of popular diesels and their maintenance costs, the following article may be helpful: BMW N47 vs M57 / M57N / M57N2 – Ranking of Legendary Diesels , which discusses, among other things, issues related to operation and aftermarket parts.

If you're considering whether new or aftermarket parts are the better choice for you, you'll find practical advice in the post: Car Parts – New or Used? Comparing Costs and Durability . This will allow you to make an informed decision when it's worth investing in a used part, such as this turbocharger oil line.