2012 Audi A4 2.0T Oil Separator/PCV Valve Used OEM 06H103495AC

Genuine Audi OEM Oil Separator / PCV (Positive Crankcase Ventilation) Valve Assembly (part number 06H103495AC). This component mounts on top of the engine and is responsible for separating oil vapor from the crankcase pressure gases before they are recirculated into the intake. Failure of the internal diaphragm leads to incorrect crankcase pressure (high vacuum or pressure), resulting in oil consumption, turbocharger noise, misfires, and "Check Engine" lights; replacement restores proper engine breathing and pressure regulation.

Details:

• VIN: WAUAFC8K6CA001143

• Part Number: 06H103495AC (Other Names: PCV Valve, Crankcase Breather Valve)

• Compatibility: Fits Audi A4/S4 (B8/B8.5), A5/S5, Q5, and other VAG models (2008–2016) with the 2.0L TFSI (4-cylinder) engine.

• Function: Regulates crankcase pressure and separates oil vapor from crankcase gases.

• Condition: Used OEM — inspected for cracks, diaphragm integrity, and contamination, fully functional.

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