Crankcase Vent / Breather Hose. Porsche 957 / 958 Cayenne Turbo 4.8L V8 2007-2017  ❭  95510725150

Crankcase Vent / Breather Hose.

The Crankcase Vent / Breather Hose is a OE MATCH engine ventilation component designed to regulate crankcase pressure and support proper Positive Crankcase Ventilation (PCV) system operation. This hose routes blow-by gases from the crankcase back into the intake system, where they are safely reburned during combustion.

Fits:

• Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
• Porsche 958 Cayenne Turbo V8 4.8L Petrol (500Hp) 2010-17
• Porsche 958 Cayenne Turbo S V8 4.8L Petrol (550Hp) 2010-17

  
Diagram Ref No 6

What This Product Does:

• Relieving excess crankcase pressure
• Routing blow-by gases into the intake system
• Supporting proper PCV system function
• Reducing oil vapour contamination
• Helping prevent sludge build-up inside the engine

Symptoms Of Wear Or Failure:

• Rough or unstable idle
• Check Engine Light illumination
• Oil leaks from engine seals or gaskets
• Increased oil consumption
• Whistling or hissing sounds (vacuum leak)
• Excessive exhaust smoke
• Oil residue around breather or intake connections

Why Replacement Matters:

• Restore proper crankcase pressure regulation
• Prevent oil leaks and vacuum-related issues
• Improve engine efficiency and performance
• Maintain emissions system integrity
• Avoid costly engine repairs

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95510725150

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