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 specifically for the 2.0 TFSI unit in the Audi S3 8V model. Thanks to its factory design, it ensures proper oil vapor discharge, stable engine operation, and reduced contamination in the intake system. This is a solution for users who want to maintain consistency with Audi's factory specifications and avoid problems typical of low-quality replacements.

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 Audi S3 8V 2.0 TFSI

The oil separator in the 2.0 TFSI engine is responsible for the controlled discharge of gases from the crankcase and their redirection into the intake system. A properly functioning component:

• stabilizes pressure in the crankcase,
• reduces blow-by and excessive oil consumption,
• minimizes the risk of leaks at seals,
• supports smooth engine operation at idle and under load.

For the turbocharged 2.0 TFSI engine, a correctly selected oil separator is important for maintaining turbocharger performance parameters and the cleanliness of the intake system.

Why choose an original Audi component

The original oil separator intended for the Audi S3 8V has been designed for the specific characteristics of the 2.0 TFSI engine. This means:

• precise fitment to the factory valve cover and vacuum lines,
• maintenance of flow parameters in accordance with the manufacturer's requirements,
• compatibility with the stock engine management system without the need for modifications.

As a result, installation is predictable, and the risk of leaks and diagnostic errors is limited compared to generic replacements.

Characteristics and application in the engine system

The presented oil separator is designed to operate in the demanding thermal and pressure conditions typical of the 2.0 TFSI unit. The component's design accounts for:

• operation across a wide range of operating temperatures for a turbocharged gasoline engine,
• resistance to contact with oil mist and fuel vapors,
• maintaining a seal under variable pressure in the intake system.

A properly functioning oil separator also supports maintaining a uniform air-fuel mixture, which is important for engine refinement and exhaust emission levels.

Product condition and benefits of installation

The item is offered in used condition, which allows for an economical restoration of the ventilation system's efficiency in the Audi S3 8V 2.0 TFSI. For many users, this is a reasonable compromise between cost and maintaining original design specifications. Installing an oil separator with the correct characteristics can help reduce symptoms such as unstable idle speed or excessive oiling of intake hoses.

System expansion and related components

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 vacuum lines, intake system components, or additional modules related to engine operation, check the available parts in the Other Audi category.

To better understand the design differences between sports versions and standard models, including the impact of the engine system and accessories on performance, it is worth reading the article Audi RS vs other models – what is hidden under the hood and chassis?, which organizes key technical information from the perspective of part selection.

If you are interested in how to preserve the brand's characteristic properties when using aftermarket components, the post Audi and pure emotion. How do used parts help maintain the brand's DNA?, which describes the importance of original components in maintaining system consistency in Audi cars, may also be helpful.