0+ (Unillustrated Parts)  
1+ Breather hose  
2+ Hose clip  
3+ Hose  
4+ Hose  
5+ Heater element  
6+ Hose  
7+ Hose clip  
8+ Hose clip  
9+ Worm drive hose clip  
10+ Breather restrictor  

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.