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

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.