Breather Line For Crankcase Housing. Porsche 958 Cayenne / 970.1 / 970.2 Panamera 4.8L 2010-17  ❭  94810724720

Breather Line For Crankcase Housing.

The Breather Line for Crankcase Housing is a OE MATCH engine ventilation component designed to regulate crankcase pressure and route blow-by gases safely through the Positive Crankcase Ventilation (PCV) system. This hose connects the crankcase housing to the appropriate intake or separator components, ensuring balanced airflow and controlled emissions.

Fits:

• Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 2010-17
• Porsche 970.1 Panamera S V8 4.8L 2009-13
• Porsche 970.1 Panamera 4S V8 4.8L 2009-13
• Porsche 970.1 Panamera GTS V8 4.8L 2011-13
• Porsche 970.2 Panamera GTS V8 4.8L 4WD (440Hp) 2014-16

Diagram Ref No 6

What This Product Does:

• Relieving excess crankcase pressure
• Routing blow-by gases back into the intake system
• Supporting correct PCV system function
• Reducing oil vapour contamination in the intake tract
• Helping prevent sludge build-up and gasket stress

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 noises (vacuum leak)
• Excessive exhaust smoke
• Oil residue around breather or intake connections

Why Replacement Matters:

• Restore proper crankcase ventilation
• Prevent oil leaks and vacuum-related issues
• Improve engine performance and efficiency
• Protect intake components from oil contamination
• Avoid costly engine repairs

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94810724720

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