
The Story
This Elring main shaft seal is a direct-fit replacement for Porsche 924/944/968/Boxster/Cayman/718 Boxster/718 Cayman/718 Spyder applications listed in the fitment table below. Elring has been manufacturing engine sealing components for over a century, supplying gaskets, seals, and sealing systems to major vehicle manufacturers including Porsche. Known for German engineering, OEM-level sealing performance, and precision manufacturing, Elring components are built to maintain proper sealing under heat, pressure, and long-term engine operation.
Technical Details
- Manufacturer part number: 178.950
- Type: Main Shaft Seal
- Application range: Porsche 924/944/968/Boxster/Cayman/718 Boxster/718 Cayman/718 Spyder applications (1981–2024)
Fitment & Compatibility
Use the fitment table below to confirm year and model details for your application. Review any fitment notes in the table before ordering.
If you need help confirming fitment, send us your VIN and we will help verify it. PMB Performance has more than 20 years of experience helping Porsche owners sort out seal, gasket, and fitment questions.
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2017 | Porsche | 718 Boxster | ||
| 2018 | Porsche | 718 Boxster | ||
| 2019 | Porsche | 718 Boxster | ||
| 2020 | Porsche | 718 Boxster | ||
| 2021 | Porsche | 718 Boxster | ||
| 2022 | Porsche | 718 Boxster | ||
| 2023 | Porsche | 718 Boxster | ||
| 2024 | Porsche | 718 Boxster | ||
| 2017 | Porsche | 718 Cayman | ||
| 2018 | Porsche | 718 Cayman | ||
| 2019 | Porsche | 718 Cayman | ||
| 2020 | Porsche | 718 Cayman | ||
| 2021 | Porsche | 718 Cayman | ||
| 2022 | Porsche | 718 Cayman | ||
| 2023 | Porsche | 718 Cayman | ||
| 2024 | Porsche | 718 Cayman | ||
| 2020 | Porsche | 718 Spyder | ||
| 2021 | Porsche | 718 Spyder | ||
| 2022 | Porsche | 718 Spyder | ||
| 2023 | Porsche | 718 Spyder | ||
| 1987 | Porsche | 924 | ||
| 1988 | Porsche | 924 | ||
| 1981 | Porsche | 924 | Turbo | |
| 1982 | Porsche | 924 | Turbo | |
| 1986 | Porsche | 944 | Base | |
| 1987 | Porsche | 944 | Base | |
| 1988 | Porsche | 944 | Base | |
| 1989 | Porsche | 944 | Base | |
| 1987 | Porsche | 944 | S | |
| 1988 | Porsche | 944 | S | |
| 1989 | Porsche | 944 | S2 | |
| 1986 | Porsche | 944 | Turbo | |
| 1987 | Porsche | 944 | Turbo | |
| 1988 | Porsche | 944 | Turbo | |
| 1989 | Porsche | 944 | Turbo | |
| 1988 | Porsche | 944 | Turbo S | |
| 1992 | Porsche | 968 | ||
| 1993 | Porsche | 968 | ||
| 1994 | Porsche | 968 | ||
| 1995 | Porsche | 968 | ||
| 2010 | Porsche | Boxster | ||
| 2011 | Porsche | Boxster | ||
| 2012 | Porsche | Boxster | ||
| 2013 | Porsche | Boxster | ||
| 2014 | Porsche | Boxster | ||
| 2015 | Porsche | Boxster | ||
| 2016 | Porsche | Boxster | ||
| 2004 | Porsche | Boxster | Base | |
| 2005 | Porsche | Boxster | Base | |
| 2006 | Porsche | Boxster | Base | |
| 2007 | Porsche | Boxster | Base | |
| 2008 | Porsche | Boxster | Base | |
| 2008 | Porsche | Boxster | Limited Edition | |
| 2000 | Porsche | Boxster | Roadster | |
| 2001 | Porsche | Boxster | Roadster | |
| 2002 | Porsche | Boxster | Roadster | |
| 2003 | Porsche | Boxster | Roadster | |
| 2007 | Porsche | Cayman | Base | |
| 2008 | Porsche | Cayman | Base |
Description
This Elring main shaft seal is a direct-fit replacement for Porsche 924/944/968/Boxster/Cayman/718 Boxster/718 Cayman/718 Spyder applications listed in the fitment table below. Elring has been manufacturing engine sealing components for over a century, supplying gaskets, seals, and sealing systems to major vehicle manufacturers including Porsche. Known for German engineering, OEM-level sealing performance, and precision manufacturing, Elring components are built to maintain proper sealing under heat, pressure, and long-term engine operation.
Technical Details
- Manufacturer part number: 178.950
- Type: Main Shaft Seal
- Application range: Porsche 924/944/968/Boxster/Cayman/718 Boxster/718 Cayman/718 Spyder applications (1981–2024)
Fitment & Compatibility
Use the fitment table below to confirm year and model details for your application. Review any fitment notes in the table before ordering.
If you need help confirming fitment, send us your VIN and we will help verify it. PMB Performance has more than 20 years of experience helping Porsche owners sort out seal, gasket, and fitment questions.
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2017 | Porsche | 718 Boxster | ||
| 2018 | Porsche | 718 Boxster | ||
| 2019 | Porsche | 718 Boxster | ||
| 2020 | Porsche | 718 Boxster | ||
| 2021 | Porsche | 718 Boxster | ||
| 2022 | Porsche | 718 Boxster | ||
| 2023 | Porsche | 718 Boxster | ||
| 2024 | Porsche | 718 Boxster | ||
| 2017 | Porsche | 718 Cayman | ||
| 2018 | Porsche | 718 Cayman | ||
| 2019 | Porsche | 718 Cayman | ||
| 2020 | Porsche | 718 Cayman | ||
| 2021 | Porsche | 718 Cayman | ||
| 2022 | Porsche | 718 Cayman | ||
| 2023 | Porsche | 718 Cayman | ||
| 2024 | Porsche | 718 Cayman | ||
| 2020 | Porsche | 718 Spyder | ||
| 2021 | Porsche | 718 Spyder | ||
| 2022 | Porsche | 718 Spyder | ||
| 2023 | Porsche | 718 Spyder | ||
| 1987 | Porsche | 924 | ||
| 1988 | Porsche | 924 | ||
| 1981 | Porsche | 924 | Turbo | |
| 1982 | Porsche | 924 | Turbo | |
| 1986 | Porsche | 944 | Base | |
| 1987 | Porsche | 944 | Base | |
| 1988 | Porsche | 944 | Base | |
| 1989 | Porsche | 944 | Base | |
| 1987 | Porsche | 944 | S | |
| 1988 | Porsche | 944 | S | |
| 1989 | Porsche | 944 | S2 | |
| 1986 | Porsche | 944 | Turbo | |
| 1987 | Porsche | 944 | Turbo | |
| 1988 | Porsche | 944 | Turbo | |
| 1989 | Porsche | 944 | Turbo | |
| 1988 | Porsche | 944 | Turbo S | |
| 1992 | Porsche | 968 | ||
| 1993 | Porsche | 968 | ||
| 1994 | Porsche | 968 | ||
| 1995 | Porsche | 968 | ||
| 2010 | Porsche | Boxster | ||
| 2011 | Porsche | Boxster | ||
| 2012 | Porsche | Boxster | ||
| 2013 | Porsche | Boxster | ||
| 2014 | Porsche | Boxster | ||
| 2015 | Porsche | Boxster | ||
| 2016 | Porsche | Boxster | ||
| 2004 | Porsche | Boxster | Base | |
| 2005 | Porsche | Boxster | Base | |
| 2006 | Porsche | Boxster | Base | |
| 2007 | Porsche | Boxster | Base | |
| 2008 | Porsche | Boxster | Base | |
| 2008 | Porsche | Boxster | Limited Edition | |
| 2000 | Porsche | Boxster | Roadster | |
| 2001 | Porsche | Boxster | Roadster | |
| 2002 | Porsche | Boxster | Roadster | |
| 2003 | Porsche | Boxster | Roadster | |
| 2007 | Porsche | Cayman | Base | |
| 2008 | Porsche | Cayman | Base |























