Audi Q3 8U 2.0 TFSI Petrol Engine Turbocharger Oil Feed Pipe Hose 06K145735J

The Audi Q3 8U 2.0 TFSI Turbocharger Oil Line is a component of the turbocharger system designed for gasoline engines, ensuring proper oil supply to the turbocharger. A properly selected oil line is crucial for turbine durability, stable lubrication, and safe operation of the engine.

Specifications and technical data

• SKU: 06K145735J
• Mark: Audi
• Condition: Used
• OEM Part Number: 06K145735J
• Substitutable numbers: 06K145735J, 06K 145 735 J
• Fuel type: Petrol
• Category: Turbos & Parts

Purpose and role in the charging system

The turbocharger oil line for the Audi Q3 8U 2.0 TFSI is responsible for transporting engine oil to the turbine core, where it lubricates and cools the rotor bearings. In a TFSI petrol engine, stable oil pressure in this area directly affects:

• turbocharger lifespan – reduced bearing wear and the risk of seizure,
• repeatable performance of the drive unit – maintaining correct boost throughout the full rpm range,
• engine operation safety – reducing the risk of overheating of rotating components.

Dedicated use in a petrol engine ensures proper adjustment to the oil pressure characteristics and operating temperatures in this type of engine.

Construction, fitting and assembly

The hose was designed as a component of the turbocharger and components system, taking into account the geometry of the Audi Q3 8U engine compartment. Its shape and connection ends allow for precise oil line routing, minimizing stress and the risk of abrasion.

• Factory fit – the hose is prepared to work with the turbocharger in the 2.0 TFSI engine, without the need for modifications.
• Stable mounting – proper cable routing reduces vibrations and fatigue loads.
• Optimal cross-section – ensures adequate oil flow at typical operating parameters of the TFSI unit.

This configuration of the element makes installation easier for the mechanic and allows the factory logic of the turbine lubrication system to be maintained.

Used condition – a conscious technical choice

The turbocharger oil line offered is in used condition, providing a reasonable compromise between cost and functionality. A properly selected aftermarket component allows for:

• reduce the cost of repairing the supercharging system while maintaining proper lubrication function,
• restore turbine efficiency after cable failure or mechanical damage,
• carry out a staged repair – e.g. with the simultaneous replacement of the turbocharger or other accessories.

When installing a used hose, it is recommended to always check the oil system for leaks and use oil with parameters consistent with the vehicle manufacturer's recommendations.

Benefits of use in a petrol engine

Supercharged petrol engines like the 2.0 TFSI operate at high temperatures and require stable turbine lubrication. Using a dedicated oil line ensures:

• proper cooling of the turbine core – reducing overheating after intensive driving,
• maintaining the cleanliness of the oil circuit – proper flow reduces the risk of local blockages,
• consistency with the factory design of the system – no need to use adapters or non-factory solutions.

Thanks to this, the hose fits into the design assumptions of the TFSI unit, supporting the stable operation of the turbocharger in everyday use and during dynamic driving.

Used accessories – what to remember

When choosing used drivetrain components, it's important to consider not only price but also technical awareness. For more complex components, such as a gearbox, additional selection criteria and condition assessment are important. We discuss this issue in more detail in our article , "Used Gearboxes – When Is It Worth It and What You Need to Remember ," which helps you make rational decisions when purchasing aftermarket parts.

If you're also looking for other turbochargers and parts for Audi, check out our dedicated offer: turbochargers and parts for Audi . This will allow you to easily assemble the turbocharger system components for your vehicle while maintaining technical consistency.