Audi A4 B8 A6 C7 Crankcase Breather Hose Engine Pipe Oil Separator 06E103547E

Audi A4 B8 A6 C7 PCV Valve Oil Separator is a specialized component of the crankcase ventilation system, designed for Audi gasoline engines. Thanks to its precise OEM construction, it ensures stable engine operation, limits oil ingress into the intake system, and supports maintaining correct crankcase pressure. This is a practical solution for users who want to consciously and technically correctly care for their engine's condition.

Specifications and technical data

• SKU: 06E103547G
• Mark: Audi
• Condition: Used
• OEM Part Number: 06E103547G
• Substitutable numbers: 06E103547G, 06E 103 547 G, 06E103547E, 06E 103 547 E
• Fuel type: Petrol
• Category: Crankshafts

Function and Role of the PCV Valve – Oil Separator

The PCV valve – oil separator in a gasoline engine is responsible for the controlled evacuation of gases from the crankcase and the separation of oil particles from these gases. A properly functioning component:

• stabilizes crankcase pressure,
• limits oil consumption by returning it to the circulation,
• reduces the risk of oil entering the intake system,
• supports smooth, predictable engine operation.

In Audi A4 B8 and A6 C7 models, a functional oil separator is crucial for maintaining the proper operating culture of a gasoline engine, especially during extended use and higher mileage.

Intended for Gasoline Engines

The presented PCV valve is designed for units powered by gasoline fuel, meaning it is adapted to the operating characteristics of such engines – different from those of diesel units. The separator's design is tailored for:

• operating temperatures typical for gasoline engines,
• the composition and quantity of blow-by gases,
• maintaining appropriate ventilation system flow rate.

This allows the component to work with the factory control system and maintain the operating parameters intended by the vehicle manufacturer.

Benefits of Replacing the PCV Valve in Audi A4 B8 / A6 C7

Replacing a worn oil separator with a functional OEM component in an Audi brings tangible technical benefits. In many cases, it helps reduce typical symptoms associated with a faulty ventilation system, such as unstable idle speed or increased oil consumption. The main advantages of installation include:

• more predictable engine operation across the entire RPM range,
• reduced risk of excessive oil contamination in the intake hoses,
• maintenance of proper crankcase pressure balance,
• better operating conditions for seals and components interacting with the crankshaft.

A properly selected PCV valve – oil separator is therefore an important element of operational maintenance, especially in vehicles used intensively or with higher mileage.

Product Characteristics and Condition

The offered component comes from the Crankshafts group, which emphasizes its close connection to the crankcase area and the gas evacuation system from this zone. The product is marked as used, which in practice means it comes from disassembly and is intended for users seeking an economical yet structurally compliant solution for their Audi.

Choosing an original Audi component allows for maintaining factory geometry, mounting points, and hose connection methods, which facilitates installation and reduces the risk of fitting problems. This is particularly important for components directly interacting with the intake system and the crankcase area.

Support with Selection and Further System Expansion

If you are planning a comprehensive repair or modernization of the engine area in your Audi and need other components from the same group, such as housings, gears, or other components interacting with the crankshaft, check the available parts in the Audi Crankshafts category.

For those who want to utilize the potential of used parts in cars of this brand more broadly – for both repairs and modifications – we have prepared a practical guide. More information on how to consciously select second-hand components for Audi can be found in the article Audi with Second-Hand Parts – Tuning and Repairs Without Quality Loss.