Crankcase breather valve. Porsche 997.2 / 991 / Boxster / Cayman - Porsche Original Part

Porsche Original Part. Crankcase breather valve. These are original Porsche crankcase breather valves (PCV valves) that regulate the flow of crankcase gases. They are part of the crankcase ventilation system (PCV) / oil separator (AOS) and ensure correct ventilation and prevent unwanted oil vapor formation or pressure build-up.

• Porsche 997 MKII Carrera C2 3.6L 2009-12
• Porsche 997 MKII Carrera C4 3.6L 2009-12
• Porsche 997 MKII Carrera C2S 3.8L 2009-12
• Porsche 997 MKII Carrera C4S 3.8L 2009-12
• Porsche 997 MKII Turbo 2010-13
• Porsche 997 MKII GT2 RS 2011-13

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