The Story
This Elring valve stem seal fits Porsche 356A/356B/356C/356SC/912 applications shown in the fitment table below. It is built to restore a proper seal at the component interface and help prevent the seepage, vacuum loss, or contamination that can follow a worn sealing surface.
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: 277.338
- Type: Valve Stem Seal
- Function: Helps contain fluid or pressure at the installed sealing surface
- Application range: 1956–1969
- Primary applications: Porsche 356A/356B/356C/356SC/912
Fitment & Compatibility
Check the fitment table below for the full year and model breakdown before ordering.
If you need help confirming fitment, send us your VIN and we will point you in the right direction. PMB Performance has more than 20 years of hands-on Porsche parts experience.
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 1956 | Porsche | 356A | ||
| 1957 | Porsche | 356A | ||
| 1958 | Porsche | 356A | ||
| 1959 | Porsche | 356A | ||
| 1960 | Porsche | 356B | ||
| 1961 | Porsche | 356B | ||
| 1962 | Porsche | 356B | ||
| 1963 | Porsche | 356B | ||
| 1964 | Porsche | 356C | ||
| 1965 | Porsche | 356C | ||
| 1964 | Porsche | 356SC | ||
| 1965 | Porsche | 356SC | ||
| 1965 | Porsche | 912 | ||
| 1966 | Porsche | 912 | ||
| 1967 | Porsche | 912 | ||
| 1968 | Porsche | 912 | ||
| 1969 | Porsche | 912 |
Description
This Elring valve stem seal fits Porsche 356A/356B/356C/356SC/912 applications shown in the fitment table below. It is built to restore a proper seal at the component interface and help prevent the seepage, vacuum loss, or contamination that can follow a worn sealing surface.
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: 277.338
- Type: Valve Stem Seal
- Function: Helps contain fluid or pressure at the installed sealing surface
- Application range: 1956–1969
- Primary applications: Porsche 356A/356B/356C/356SC/912
Fitment & Compatibility
Check the fitment table below for the full year and model breakdown before ordering.
If you need help confirming fitment, send us your VIN and we will point you in the right direction. PMB Performance has more than 20 years of hands-on Porsche parts experience.
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 1956 | Porsche | 356A | ||
| 1957 | Porsche | 356A | ||
| 1958 | Porsche | 356A | ||
| 1959 | Porsche | 356A | ||
| 1960 | Porsche | 356B | ||
| 1961 | Porsche | 356B | ||
| 1962 | Porsche | 356B | ||
| 1963 | Porsche | 356B | ||
| 1964 | Porsche | 356C | ||
| 1965 | Porsche | 356C | ||
| 1964 | Porsche | 356SC | ||
| 1965 | Porsche | 356SC | ||
| 1965 | Porsche | 912 | ||
| 1966 | Porsche | 912 | ||
| 1967 | Porsche | 912 | ||
| 1968 | Porsche | 912 | ||
| 1969 | Porsche | 912 |
