0+ (Unillustrated Parts)  
1+ Brake servo  
2+ Brake booster  
3+ Brake master cylinder  
4+ Reservoir  
5+ Reservoir cap  
6+ Seal  
7+ Securing pin  
8+ Seal  
9+ Locking nut  
10+ Gasket  
11+ Locking nut  
12+ Vacuum pipe  

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.