
The Story
For Porsche 924/944 (1983–1987) applications, this German O-Ring fits the models listed in the fitment table below and replaces the worn or missing part. It seals the service connection so fluid, air, or vacuum stays contained where the joint is assembled.
Use it when old rubber, paper, or sealing surfaces have hardened, flattened, or begun to leak.
Technical Details
- Manufacturer part number: 99970714640
- Type: O-Ring
- Application range: Porsche 924/944 (1983–1987)
Fitment & Compatibility
Use the fitment table below to confirm year, model, submodel, and application notes before ordering.
If you are comparing similar parts, send us your VIN and we will help sort out the correct application. PMB Performance has been working with Porsche parts for more than two decades.
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 1987 | Porsche | 924 | ||
| 1983 | Porsche | 944 | ||
| 1984 | Porsche | 944 | ||
| 1985 | Porsche | 944 | ||
| 1986 | Porsche | 944 |
Description
For Porsche 924/944 (1983–1987) applications, this German O-Ring fits the models listed in the fitment table below and replaces the worn or missing part. It seals the service connection so fluid, air, or vacuum stays contained where the joint is assembled.
Use it when old rubber, paper, or sealing surfaces have hardened, flattened, or begun to leak.
Technical Details
- Manufacturer part number: 99970714640
- Type: O-Ring
- Application range: Porsche 924/944 (1983–1987)
Fitment & Compatibility
Use the fitment table below to confirm year, model, submodel, and application notes before ordering.
If you are comparing similar parts, send us your VIN and we will help sort out the correct application. PMB Performance has been working with Porsche parts for more than two decades.
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 1987 | Porsche | 924 | ||
| 1983 | Porsche | 944 | ||
| 1984 | Porsche | 944 | ||
| 1985 | Porsche | 944 | ||
| 1986 | Porsche | 944 |



















