Engine Oil Separator Crankcase Vent Valve Assembly Compatible with Audi A8 S6 RS7 4.0T C7 D4 (2013–2018) PCV Breather Replacement New

Engine Oil Separator (PCV Valve) Compatible with Audi A8 / S6 / RS7 4.0T (2013–2018) Restore proper engine ventilation and performance with this high-quality engine oil separator / crankcase vent valve assembly, designed as a direct OEM-style replacement for Audi 4.0T engines. This component plays a critical role in regulating crankcase pressure, separating oil vapors, and maintaining optimal engine efficiency.

• COMPATIBLE WITH AUDI 4.0T ENGINES – Designed for Audi A8, S6, RS7 models (C7 / D4 platform) from 2013–2018; ensures proper fit and function. Please confirm vehicle details before purchase.
• RESTORES ENGINE PERFORMANCE – Regulates crankcase pressure and improves air-fuel balance, helping eliminate rough idle, misfires, and loss of efficiency caused by a faulty PCV/oil separator.
• REDUCES OIL CONSUMPTION – Efficient oil vapor separation prevents excess oil from entering the intake system, helping maintain cleaner combustion and engine longevity.
• DURABLE & HEAT-RESISTANT DESIGN – Manufactured from high-quality materials to withstand extreme engine temperatures and pressure conditions for long-lasting performance.
• DIRECT OEM-STYLE REPLACEMENT – Plug-and-play installation with factory-style connections; designed to match original fit and performance for easy replacement.
• 079103542D
• 079103542B
• 079103542E