1+ Bonnet insulation  
2+ Side and rear plate  
3+ Retention plate  
4+ Centre plate  
5+ Pop rivet  
6+ Retaining disc  
7+ Push fix  
8+ Bonnet liner  
9+ Spring clip  
10+ Emission label  
11+ Finisher  

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.