The TRW exhaust valve shown here replaces the corresponding part at the engine cylinder head. Its fitment is tied to the listed Porsche or Volkswagen engine, cylinder-head layout, and dimensional specification.
TRW has longstanding experience with engine-valve production, and its replacement valvetrain components are cataloged by valve function, dimensions, and engine application.
Technical Details
- Manufacturer part number: 3051
- Brand: TRW
- Valve type: Exhaust
- Valve head diameter: 41.5 mm
- Installation area: Cylinder head valvetrain
- Application: Porsche 911 3.0L and 3.2L engines
Fitment & Compatibility
Match the exhaust-valve dimensions to the engine and cylinder-head specification. Use the application rows below to confirm the exact vehicle, year range, position, and any brake, steering, suspension, or engine differences.
For help confirming this exhaust valve, send PMB Performance your VIN and the relevant brake, chassis, or engine details. Our team has more than 20 years of experience working with Porsche parts and application-specific fitment.
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 1978 | Porsche | 911 | ||
| 1979 | Porsche | 911 | ||
| 1980 | Porsche | 911 | ||
| 1981 | Porsche | 911 | ||
| 1982 | Porsche | 911 | ||
| 1983 | Porsche | 911 | ||
| 1984 | Porsche | 911 | ||
| 1985 | Porsche | 911 | ||
| 1986 | Porsche | 911 | Carrera | |
| 1987 | Porsche | 911 | Carrera | |
| 1988 | Porsche | 911 | Carrera | |
| 1989 | Porsche | 911 | Carrera | |
| 1989 | Porsche | 911 | Speedster |