1+ Solenoid valve  
2+ Crankshaft position sensor  
3+ Camshaft position sensor  
4+ Camshaft position sensor  
5+ Air temperature sensor  
6+ Temperature sensor  
7+ Oil pressure switch  
8+ Knock sensor  
9+ Stud  
10+ Nut  
11+ Map sensor  
12+ Sensor bracket  

The part numbers in the assembly image below relate to the product number in the table. Clicking on the part number will open up the relevant part details.