Audi S3 8V 2.0 TFSI Pressure Regulating Valve Engine Oil Separator 06K103495AT

Audi S3 8V 2.0 TFSI Pressure Regulating Valve Engine Oil Separator is an original crankcase ventilation system component designed for the 2.0 TFSI engine in the Audi S3 8V model. This component helps maintain stable engine operating parameters, reduce blow-by, and control oil vapor circulation, which translates into more predictable engine performance. By using an OEM part, the proper operating characteristics of the system are maintained in accordance with the manufacturer's factory specifications.

Specifications and technical data

• SKU: 06K103495AT
• Mark: Audi
• Condition: Used
• OEM Part Number: 06K103495AT
• Substitutable numbers: 06K103495AT, 06K 103 495 AT
• Category: Other Engine Parts

Function of the oil separator in the 2.0 TFSI engine

The oil separator in the Audi S3 8V 2.0 TFSI is responsible for the controlled discharge of gases from the crankcase and the separation of oil vapors. A properly functioning component:

• stabilizes pressure in the crankcase system,
• reduces excessive oil consumption,
• supports smooth engine operation at idle and under load,
• reduces the risk of intake contamination and carbon deposit buildup.

For turbocharged units such as the 2.0 TFSI, a functional oil separator is essential for maintaining proper engine refinement and predictable throttle response.

Application and fitment

Audi S3 8V 2.0 TFSI Pressure Regulating Valve Engine Oil Separator has been designed specifically for the requirements of this engine, taking into account the pressure and temperature characteristics of the system. This means:

• a secure fit to the factory engine configuration,
• preservation of the original gas flow geometry,
• compatibility with the stock equipment of the 2.0 TFSI unit in the Audi S3 8V.

Using an OEM component helps avoid problems typical of generic replacements, such as leaks or unstable vacuum values.

Characteristics of the used component

The offered oil separator is a used component, which is a cost-effective solution for users looking for a factory part at a more affordable price. This type of part is a good choice for, among other things:

• diagnosing and resolving issues with unstable idle,
• servicing the ventilation system after engine modifications,
• building or rebuilding a 2.0 TFSI unit while maintaining original solutions.

Choosing a used OEM component allows you to maintain the correct operating characteristics of the system while reducing repair or upgrade costs.

Benefits of using an original oil separator in the Audi S3 8V

In high-output engines like the one in the Audi S3 8V, the crankcase ventilation system has a direct impact on durability and operational stability. Using an original oil separator ensures:

• consistency with the factory engine control unit calibration,
• better control over oil vapor circulation during dynamic driving,
• reduced risk of unwanted leaks and blow-by,
• maintenance of predictable operating parameters with stock or increased power.

For users who drive their car more demandingly, e.g., on the highway or occasionally on the track, a functional oil separator is an important element of engine care.

If you are planning a comprehensive repair or upgrade of your Audi's engine area and need other parts from the same group, such as hoses, mounts, or additional accessory components, check out the available parts in the Other Audi parts category.

Technical support and knowledge about Audi models

For owners of the brand's sports versions who want to better understand the structural differences between standard and higher-performance variants, comparative material will be useful. In the context of service and selecting engine accessory parts, it is worth reading the article Audi RS vs other models – what is hidden under the hood and chassis?, which discusses, among other things, the specifics of engines, braking systems, and chassis.

If you are considering whether a new, replacement, or used part will work better in your case, the guide Original, replacement, or used – which car parts are the most cost-effective? may be helpful, as it describes the differences in costs, quality, and fitment of elements selected by OEM numbers.