Audi RS3 8V 8Y Turbocharger Turbo Oil Feed Pipe Line Tube 2.5 TFSI 07K145778F

Audi RS3 8V 8Y Turbocharger Turbo Oil Feed Pipe Line Tube is a specialized component from the Oil coolers and lines group, designed for the precise delivery of oil to the turbocharger in the 2.5 TFSI engine. A properly selected oil line stabilizes lubrication and cooling of the rotor, which translates into the safe operation of the forced induction system in sporty Audi RS3 models.

Specifications and technical data

• SKU: 07K145778F
• Mark: Audi
• Condition: Used
• OEM Part Number: 07K145778F
• Substitutable numbers: 07K145778F, 07K 145 778 F
• Category: Engine Oil Coolers & Lines

Purpose and function of the turbocharger oil line

The turbocharger oil line in the Audi RS3 8V and 8Y with the 2.5 TFSI engine is responsible for the controlled flow of engine oil to the turbine housing. Maintaining proper pressure and continuous lubrication is crucial for reducing friction, dissipating heat, and protecting the rotor bearings from seizing. High thermal and pressure loads in TFSI units mean that using the correct, original line has a direct impact on the durability of the turbocharger and the stability of performance.

Construction and performance parameters

The offered line belongs to the group of components responsible for transporting oil in the lubrication system, working in conjunction with the turbocharger and the oil cooling system. The design of the line is adapted to the characteristics of the 2.5 TFSI engine – it takes into account high exhaust temperatures, variable oil pressure, and the limited installation space in the engine bay of the Audi RS3. Properly shaped rigid and flexible sections allow for correct routing of the line, minimizing the risk of abrasion, kinking, or contact with high-temperature components.

Thanks to the use of an original Audi solution, the correct internal diameter, pressure resistance, and compatibility with factory mounting points are maintained. This reduces the risk of leaks, oil pressure drops, and unwanted vibrations that could affect the operation of the turbocharger.

Benefits of using an original oil line

Choosing an oil line dedicated to the Audi RS3 8V 8Y 2.5 TFSI allows you to maintain the factory operating parameters of the forced induction system. The most important advantages include:

• maintaining proper lubrication and cooling of the turbocharger across the full engine load range,
• reducing the risk of oil leaks in the area of the turbine and exhaust system,
• proper fitment to factory mounts and engine bay geometry,
• consistency with other components from the Oil coolers and lines group in Audi vehicles.

A component from this group is particularly important in vehicles driven dynamically, where the turbocharger often operates at high boost levels and oil and exhaust temperatures reach elevated values.

Product condition and practical application

The line comes from the Audi range and is intended for service use in RS3 models of the 8V and 8Y generations with the 2.5 TFSI unit. A used component allows for an economical repair of the turbocharger lubrication system while maintaining the original installation specifications. This solution is particularly beneficial when replacing the line after detecting leaks, corrosion, mechanical damage, or during a comprehensive service of the forced induction system.

In practice, replacing the oil line is recommended, among other things, after a turbocharger failure, when there are visible signs of overheating or oil contamination, and also as a preventive measure at higher mileages to reduce the risk of secondary damage to a new turbine.

Technical support and related components

If you are planning a comprehensive repair or upgrade of the engine area in your Audi and need other components from the same group, such as oil lines, oil return lines, or oil cooling elements, check the available parts in the Audi oil coolers and lines category.

For a better understanding of the impact of the cooling system and oil circulation on the durability of the power unit, it is worth reading the service guide regarding engine overheating and cooling – a detailed discussion can be found in the article Engine cooling system – overheating, repair, and used radiators.