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Crankcase breather hose. Porsche 987.2/981 Boxster / Cayman - 9A110751501
9A110751501
Vehicle Group
- Porsche Boxster 987 MKII 2.9L 2009-12
- Porsche Boxster S 987 MKII 3.4L 2009-12
- Porsche Boxster 981 2.7L 2012-16
- Porsche Boxster 981 S / GTS 3.4L 2012-16
- Porsche Boxster 981 Spyder 3.8L 2016
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
- Porsche Cayman 2.7L 981 2013-16
- Porsche Cayman S / GTS 3.4L 981 2013-16
- Porsche Cayman GT4 3.8L 2015-16
Information
Crankcase breather hose.
The 9A110751501 crankcase breather hose is a factory-specified part of the air/oil separation and PCV ventilation system used on water-cooled Porsche flat-6 engines fitted to Boxster and Cayman models. It connects the engine crankcase to the air/oil separator (AOS) or ventilation circuit, allowing crankcase gases to vent safely while directing blow-by vapours through the appropriate filtration pathway.
Fits:
Porsche 987.2 Boxster 2009 - 2012
Porsche 981 Boxster 2012 - 2016
Porsche 981SP Boxster Spyder 2016
Porsche 987.2 Cayman 2009 - 2012
Porsche 981C Cayman 2014 - 2016
Porsche 981C Cayman GT4 2016
Diagram Ref No 3
A rubber/plastic crankcase breather hose, part of the PCV (positive crankcase ventilation) or AOS (air-oil separator) system, that channels crankcase vapours from the engine block to the AOS or intake/vent circuit.
This breather hose:
• Provides a secure, correctly routed pathway for crankcase blow-by gases and vapours.
• Maintains proper crankcase ventilation, helping to prevent pressure buildup, leaks, or oil-soaked vapour recirculating into the intake.
• Helps keep the intake tract and engine internals clean by ensuring only air (not oil mist) is drawn through the AOS/PCV system, preventing carbon build-up, oil deposits, smoky exhaust, and potential sensor contamination.
• Ensures durability and reliability under normal operating conditions, including heat, vibration, and exposure to crankcase gases and oil vapour - thanks to genuine Porsche-grade materials and manufacturing.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9A110751501
The product you are viewing cross references to these numbers
The 9A110751501 crankcase breather hose is a factory-specified part of the air/oil separation and PCV ventilation system used on water-cooled Porsche flat-6 engines fitted to Boxster and Cayman models. It connects the engine crankcase to the air/oil separator (AOS) or ventilation circuit, allowing crankcase gases to vent safely while directing blow-by vapours through the appropriate filtration pathway.
Fits:
Porsche 987.2 Boxster 2009 - 2012
Porsche 981 Boxster 2012 - 2016
Porsche 981SP Boxster Spyder 2016
Porsche 987.2 Cayman 2009 - 2012
Porsche 981C Cayman 2014 - 2016
Porsche 981C Cayman GT4 2016
Diagram Ref No 3
A rubber/plastic crankcase breather hose, part of the PCV (positive crankcase ventilation) or AOS (air-oil separator) system, that channels crankcase vapours from the engine block to the AOS or intake/vent circuit.
This breather hose:
• Provides a secure, correctly routed pathway for crankcase blow-by gases and vapours.
• Maintains proper crankcase ventilation, helping to prevent pressure buildup, leaks, or oil-soaked vapour recirculating into the intake.
• Helps keep the intake tract and engine internals clean by ensuring only air (not oil mist) is drawn through the AOS/PCV system, preventing carbon build-up, oil deposits, smoky exhaust, and potential sensor contamination.
• Ensures durability and reliability under normal operating conditions, including heat, vibration, and exposure to crankcase gases and oil vapour - thanks to genuine Porsche-grade materials and manufacturing.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9A110751501
9A110751501
The product you are viewing cross references to these numbers
Price: €151.44
Orderable
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Information
Sump plug washer. A 14 x 20.
Fits:
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Porsche 9YA Cayenne 3.0L / S 2.9L 2018>>
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Porsche 95B Macan V6 TDI 3.0L 2014-18
Click 'Zoom in' for large parts diagram.
Diagram ref no 31
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Click 'Zoom in' for large parts diagram.
Diagram ref no 31
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Information
Sump plug washer. A 14 x 20.
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Porsche 9YA Cayenne 3.0L / S 2.9L 2018>>
Porsche 971 Panamera 3.0L / S 2.9L 2017>>
Porsche 976 Panamera 2.9L 2023>>
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Diagram Ref No 31
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