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Genuine OEM & performance parts — ships to United States

Product overview

Genuine OEM Porsche Oil Separator O-Ring, part number 99970178940. This O-ring is used to seal the engine oil separator, ensuring that the oil separation system functions correctly and prevents any leaks. Proper sealing is essential for emissions control and engine health. Genuine OEM parts provide the exact fit and material properties required for this critical seal.

Catalogue entry: SEAL. RING 12,00X2,00 ×2.

Technical details

Category
Engine
Country of origin
Germany
Customs (HS) code
40169300
Manufacturer
Porsche
Product Type
Genuine new auto parts
Shipping size (L × W × H)
19.4 × 10.8 × 1.9 cm
Shipping weight
0.01 kg

Specifications

As recorded in the manufacturer’s parts catalogue for this part number.

Dimensions
12.00x2.00
Dimensions
12x2

Why buy from WW Spares?

  • ✓ Genuine OEM inventory sourced directly from factory networks
  • ✓ Fitment support from workshop-seasoned parts specialists
  • ✓ Global logistics with customs-ready documentation

Need help confirming compatibility? Talk to a specialist

Parts diagram & fitment

22 vehicles

O-ring — locate 99970178940 Porsche Oil Separator O-Ring | Genuine OEM in the official exploded view and explore the surrounding assembly.

Standard part (a norm part such as a bolt, nut or clip) — used across many models; the vehicle list shows where this exact number is fitted.

Parts in this assembly48
Compatible / alternative parts(2)
Vehicle fitment table22

Europe (22)

VehicleYearsPos.Qty
Boxster2016-102
Cayman2016-102
991 II Carrera 42016-2019102
Cayman GT42015-2016102
Boxster Spyder2015-2016102
GT2 RS Clubsport2013-2020102
Cayman2013-2016102
Boxster2012-2016102
991 Carrera 42011-2016101
GT2 RS2009-2012101
911 Carrera2008-2012102
Boxster S2008-2012102
Cayman2008-2012102
GT3 RS2006-2011101
Turbo2006-2009101
Cayman S2005-200810
Carrera 4 Cabrio2004-200810
Boxster S2004-200810
Turbo2000-2005101
GT3 RS1998-2005101
Carrera 4 Cabrio1997-200510
Boxster S1996-200410

Diagrams & fitment data powered by oemdiagrams.com

99970178940 Porsche Oil Separator O-Ring | Genuine OEM is fitted on: Boxster 2016-; Cayman 2016-; 991 II Carrera 4 2016-2019; Cayman GT4 2015-2016; Boxster Spyder 2015-2016; GT2 RS Clubsport 2013-2020; Cayman 2013-2016; Boxster 2012-2016; 991 Carrera 4 2011-2016; GT2 RS 2009-2012; 911 Carrera 2008-2012; Boxster S 2008-2012; Cayman 2008-2012; GT3 RS 2006-2011; Turbo 2006-2009; Cayman S 2005-2008; Carrera 4 Cabrio 2004-2008; Boxster S 2004-2008; Turbo 2000-2005; GT3 RS 1998-2005; Carrera 4 Cabrio 1997-2005; Boxster S 1996-2004.