Audi A3 8P Volkswagen Golf 5K Turbo Oil Feed Line Pipe 2.0 Diesel 03L145764A

Audi A3 8P Volkswagen Golf 5K Turbo Oil Feed Line Pipe 2.0 Diesel is a specialized component from the Turbochargers and parts category, designed for the forced induction system in diesel engines. It is responsible for the stable supply of oil to the turbocharger, which directly impacts its durability, operating efficiency, and the safety of the engine unit. This is a solution for users who want to restore proper turbo lubrication without compromising on the fitment for a specific diesel engine configuration.

Specifications and technical data

• SKU: 03L145764A
• Mark: Audi
• Condition: Used
• OEM Part Number: 03L145764A
• Substitutable numbers: 03L145764A, 03L 145 764 A
• Fuel type: Diesel
• Part type: Turbocharger Hose
• Category: Turbos & Parts

Purpose and function of the turbo oil feed line

The turbo oil feed line in this model is responsible for precisely supplying the turbocharger with oil at the correct pressure. In a Diesel engine, thermal and mechanical loads are higher than in many gasoline units, which is why a stable oil flow is crucial for protecting turbo bearings, reducing the risk of seizure, and maintaining proper boost parameters. A correctly selected line minimizes pressure drops, leaks, and temperature fluctuations of the lubricating medium.

Compatibility with Audi A3 8P and Volkswagen Golf 5K

The described line has been designed for use in popular VAG group models, such as the Audi A3 8P and Volkswagen Golf 5K with a 2.0 Diesel engine. This ensures the retention of factory routing geometry, appropriate mounting points, and matching connection ends for the turbocharger housing and engine block. As a result, installation is predictable, without the need for modifications to the oil system or the use of additional adapters.

Technical characteristics and advantages of use

The turbo oil feed line from this series has been manufactured to ensure resistance to high temperatures and operating pressures typical for forced induction systems in diesel units. The design of the line is optimized for:

• maintaining a stable oil flow under variable engine loads,
• reducing the risk of leaks at the connections,
• maintaining appropriate flexibility while remaining resistant to engine assembly vibrations,
• compatibility with the factory mounting system in the engine bay. Thanks to this, the line supports uniform lubrication of the turbocharger, which translates into more consistent boost parameters, stable engine operation, and a reduction in the risk of costly turbo failures.

Product condition and service application

This item comes from the used parts group, making it an attractive cost-effective alternative compared to new components, while maintaining original geometry and purpose. This type of oil line is particularly useful in situations where:

• a turbocharger is being replaced or regenerated and it is recommended to inspect and replace oil supply components,
• there are signs of leaks in the vicinity of the turbo or along the line section,
• worrying symptoms appear, such as power loss, smoke, or turbo noise, which may result from improper lubrication. Using a line matched to a specific Audi and Volkswagen model reduces vehicle downtime and facilitates workshop work, as there is no need to adapt universal solutions.

Integration with the Turbochargers and parts system in Audi

In the case of extensive work on the forced induction system, it is worth treating the oil line as an integral part of the entire system. 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 turbocharger housings, oil return lines, or small mounting accessories, check the available parts in the Audi Turbochargers and parts category.

Selection of used parts and service knowledge

When choosing used components for the forced induction system – such as oil lines, turbochargers, or auxiliary equipment – it is crucial to ensure a correct match based on manufacturer markings and engine configuration. It is recommended to use selection procedures based on catalog numbers and vehicle data to avoid problems with installation and system tightness. An extended discussion on the principles of selecting original used parts, verification methods, and practical examples can be found in the article BMW – sports performance and precision. How do original used parts extend the life of a Bavarian icon?, which organizes the approach to purchasing components from the secondary market, also in the context of other brands.