Main components
| Main components | 
| 1. | Wastegate valve | |
| 2. | Diaphragm unit | |
| 3. | Boost pressure control valve (179a) | |
| 4. | Turbine housing | |
| 5. | Compressor housing | |
| 6. | Solenoid valve, turbo by-pass (605) | |

 
     
		