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Porsche > Cayman 718C (982C) 2017>> > Cayman 718 2.0L Manual (300 Bhp) > Engine Rebuild Parts > Oil System Parts >

Oil Separators & Vent lines

Oil Separators & Vent lines

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DISPLAYING 1 to 3 (of 3 products)
Oil Separator For Oil Sump. Porsche 982 Boxster / Cayman 2017>> - 9A210130700, 9A210130701
3
Oil Separator For Oil Sump. Porsche 982 Boxster / Cayman 2017>>
Special Order item
9A210130700
Product Information
Product Information
Oil Separator For Oil Sump.

The oil separator for the oil sump is an essential component of the engine crankcase ventilation and oil management system, designed to separate oil from blow-by gases before they are recirculated through the engine. This helps prevent excess oil from entering the intake system while ensuring efficient oil return to the sump.

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  • Porsche Cayman GTS 718 4.0L PDK (400 Bhp)
  
Diagram Ref No 11

What This Product Does:

  • Separates oil from crankcase gases (blow-by gases)
  • Returns separated oil back to the sump
  • Prevents oil from entering the intake system
  • Supports proper crankcase pressure regulation

Symptoms Of Wear Or Failure:
  • Excessive oil consumption
  • Oil residue in the intake system or air filter housing
  • Blue smoke from the exhaust (burning oil)
  • Engine misfires or rough running
  • Check engine light or crankcase ventilation fault codes

Why Replacement Matters:
  • Reduces oil consumption and prevents oil contamination in intake
  • Maintains proper crankcase ventilation and pressure balance
  • Improves engine performance and efficiency
  • Prevents carbon buildup in intake components
  • Helps avoid costly engine damage caused by oil ingestion



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

9A210130700
9A210130700
9A210130701

The product you are viewing cross references to these numbers
Oil separator. Porsche 982 Boxster / 982C Cayman - 0PC115099A, 0PC115099B
4
Oil separator. Porsche 982 Boxster / 982C Cayman
Special Order item
0PC115099B
Product Information
Product Information
Oil separator.

Fits:
Porsche 982 Boxster 2017>>
Porsche 982C Cayman 2017>>

Diagram ref no 14

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

0PC115099B
0PC115099A
0PC115099B

The product you are viewing cross references to these numbers
Oil Separator. Porsche 982 Boxster / 982C Cayman - 0PC115099B, 0PC115099A - 100001
2
Oil Separator. Porsche 982 Boxster / 982C Cayman
0PC115099B/1
Product Information
Product Information
Oil Separator.

This Oil Separator is a OE MATCH Porsche 982 Boxster / Cayman engine component designed to regulate crankcase ventilation by separating oil vapour from blow-by gases before they are recirculated into the intake system. This ensures that only clean air is reintroduced into the engine, maintaining efficiency and reducing oil consumption.

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  • Porsche Boxster GTS 718 4.0L Manual (400 Bhp) 01/2019>>
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  • Porsche Cayman S 718 2.5L PDK (350 Bhp)
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  • Porsche Cayman GTS 718 2.5L PDK (365 Bhp)
  • Porsche Cayman GTS 718 4.0L Manual (400 Bhp)
  • Porsche Cayman GTS 718 4.0L PDK (400 Bhp)  

Diagram Ref No 14

What This Product Does:
  • Separates oil vapour from crankcase gases
  • Prevents oil from entering the intake system
  • Maintains proper crankcase ventilation
  • Reduces oil consumption and emissions
  • Supports efficient engine performance

Symptoms Of Wear Or Failure:
  • Excessive oil consumption Blue smoke from the exhaust (burning oil)
  • Rough idle or engine misfires
  • Whistling or suction noises from the engine
  • Oil residue in intake components
  • Check engine light or fault codes related to crankcase ventilation  

Why Replacement Matters:
  • Prevents oil contamination of the intake system
  • Restores proper engine ventilation and balance
  • Reduces emissions and improves efficiency
  • Avoids damage to sensors, intake valves, and turbo components (if applicable)
  • Maintains smooth engine performance and long-term reliability  



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

0PC115099B
0PC115099B
0PC115099A

The product you are viewing cross references to these numbers
DISPLAYING 1 to 3 (of 3 products)
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About Oil Separators & Vent lines

Oil Separators & Vent Lines – Maintain Clean Airflow and Engine Efficiency

The oil separator and vent line system plays a critical role in your Porsche’s crankcase ventilation process. By separating oil vapour from the engine’s blow-by gases, these components ensure only clean air is returned to the intake system — reducing emissions, preventing carbon build-up, and maintaining consistent engine performance.

At Design911, we stock a complete range of oil separators, breather hoses, and vent lines designed for Porsche engines of all generations. Manufactured from high-grade, heat- and oil-resistant materials, these components are built to handle the demands of high-performance driving, ensuring a tight seal, proper ventilation, and long-lasting reliability.

Whether you’re maintaining a daily-driven 911 or servicing a track-ready Cayman, our oil separators and vent lines help preserve your engine’s efficiency, longevity, and power output.

What Do Oil Separators & Vent Lines Do?

The oil separator and vent system controls crankcase pressure and removes oil vapour from the air circulating inside the engine.

Core Functions:

  • Separate oil vapour from crankcase gases, keeping intake air clean.
  • Prevent oil from entering the intake manifold or combustion chamber.
  • Maintain stable crankcase pressure for efficient engine breathing.
  • Reduce harmful emissions and extend engine life.
  • Support consistent power delivery and smooth idle performance.

By ensuring clean ventilation and stable pressure, these components protect your Porsche’s engine from oil contamination and performance loss.

Why Do Oil Separators & Vent Lines Fail?

Over time, heat cycles, oil vapours, and pressure fluctuations cause these parts to degrade or clog, leading to poor ventilation and increased oil consumption.

  • Common Causes of Failure Include:
  • Clogged internal membranes in the separator.
  • Cracked or brittle vent lines from heat and age.
  • Oil leaks from worn seals or connections.
  • Vacuum leaks, causing rough idling or poor throttle response.
  • Build-up of sludge or condensation within breather hoses.

Typical symptoms include increased oil consumption, blue exhaust smoke, rough idle, or oil leaks around the intake area, all indicating the need for inspection or replacement.

Why Replace Components?

Replacing a faulty oil separator or vent line restores proper crankcase ventilation and prevents costly engine issues like carbon build-up or oil contamination. Our precision-engineered replacements are designed for accurate fitment and long-term durability, ensuring your Porsche operates efficiently.

Key Benefits:

  • Restores clean airflow and stable crankcase pressure.
  • Reduces oil leaks and smoke from the exhaust.
  • Improves fuel efficiency and throttle response.
  • Constructed from high-quality, heat- and oil-resistant materials.
  • Direct-fit compatibility with Porsche engines.
  • Ideal for maintenance, rebuilds, or performance tuning.

Upgrading or replacing your oil separator and vent lines is essential for maintaining your Porsche’s smooth performance and clean emissions system.

Highlights:

  • High-quality Porsche oil separators, breather hoses, and vent lines.
  • Ensures clean crankcase ventilation and stable engine pressure.
  • Reduces oil leaks, smoke, and carbon build-up.
  • Durable construction for long-term reliability.
  • Direct-fit for Porsche 911, Cayman, Boxster, Panamera & more.
  • Perfect for preventive maintenance or full engine rebuilds.

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