Audi A3 S3 8Y 2.0 TFSI Petrol Engine Oil Separator Breather 06Q103495B

Audi A3 S3 8Y 2.0 TFSI Petrol Engine Oil Separator Breather is a specialized component of the crankcase ventilation system, designed for 2.0 TFSI petrol engines in Audi A3 and S3 8Y generation models. It is responsible for stable separation of oil vapors from gases, which supports the engine's smooth operation and reduces intake contamination. This solution is designed to maintain the correct operating parameters of a modern turbocharged engine.

Specifications and technical data

• SKU: 06Q103495B
• Mark: Audi
• Condition: Used
• OEM Part Number: 06Q103495B
• Substitutable numbers: 06Q103495B, 06Q 103 495 B
• Fuel type: Petrol
• Category: Oil Sumps

Purpose and function in the 2.0 TFSI engine

The breather – oil separator in the version dedicated to 2.0 TFSI petrol units in the Audi A3 / S3 8Y is responsible for the controlled discharge of gases from the crankcase and their redirection into the intake system. The integrated separation system reduces the amount of oil entering the intake, which helps keep the manifold, valves, and turbocharging components clean. As a result, the engine maintains stable operating parameters, and the risk of excessive carbon deposit buildup is limited.

Benefits of using a dedicated breather

Using the correct oil separator in a petrol engine translates into a number of practical operational benefits:

• more predictable behavior of the 2.0 TFSI unit across the full load range,
• reduction of oil blow-by into the intake system,
• support for smooth operation of the turbocharging system,
• better conditions for maintaining the cleanliness of internal intake channels.

For the user, this means more consistent performance and easier maintenance of the engine in good service condition.

Characteristics of the used component

The offered oil separator is a used original Audi part, which in practice means it retains the factory geometry, mounting points, and fitment for engine accessories. This type of component is a popular choice for repairs and maintenance of the breather system when one wants to maintain compatibility with the vehicle manufacturer's solution, without the need to use replacements with uncertain parameters.

Application in service practice

Replacing the breather – oil separator is recommended, among other things, in the event of symptoms such as unstable idle, increased oil consumption, or suspected improper crankcase ventilation. In the case of 2.0 TFSI petrol engines in the Audi A3 / S3 8Y, installing a dedicated component allows for the restoration of proper gas and oil circulation in the system, which is important both in daily use and in cars driven more dynamically.

Related items from the same group

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 housings, covers, or seals related to the lubrication system, check out the available parts in the Audi Oil Pans category.

For drivers who are considering a wider use of used parts in their cars and want to better understand their advantages in terms of economy and operation, the guide article on the benefits of choosing used parts for premium car brands, which discusses, among other things, the quality and ecological aspects of such a solution, may be helpful.