Oil separator kit. Porsche 981 Boxster / 981C Cayman  ❭  OILSEPARATOR.981.OE

Oil / Air Separator kit.
This kit is the complete factory-specified breathing and oil-vapour separation system for the 981 Boxster and Cayman engines. It comprises the oil-separator unit, two vent valves, and all necessary hoses. Together, they ensure the crankcase is ventilated properly, blow-by vapours are separated, and only clean, oil-free air is recirculated or vented.

Fits:
Porsche 981 Boxster 2012 - 2016
Porsche 981 Boxster Spyder 2016>>
Porsche 982 Boxster GTS 4.0L 2017>>
Porsche 981C Cayman 2014 - 2016
Porsche 981C Cayman GT4 2016>>
Porsche 982C Cayman GT4 4.0L 2017>>

Diagram ref no 12 (Oil separator)
Diagram ref no 1, 2, 12 and 14.

Kit Contents:
1× 0PB115099A - Air-Oil Separator (AOS) body / main separator unit
1× 9A110503801 - Crankcase Vent Valve (cylinders 4–6)
1× 9A110503900 - Crankcase Vent Valve (cylinders 1–3)
1× 9A110752020 - Crankcase Vent Hose / Breather Line
1× 9A110751501 - Additional Crankcase Breather Hose (or secondary vent line)

All parts are Genuine Porsche OEM - manufactured to original factory specifications for materials, dimensions, sealing and performance.

Recommended when replacing the AOS system, during engine maintenance, or when experiencing symptoms of AOS failure (oil consumption, smoke, vapour in intake, etc.).

Replace all components together as a kit for best sealing, balance, and long-term reliability.

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Related, superseded, cross reference or alternative numbers for comparison.

OILSEPARATOR.981.OE

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