No.DescriptionPriceQuantity
0+ (Unillustrated Parts)  
1+ Air delivery pipe  
2+ Air delivery pipe  
3+ Sleeve  
4+ Nut  
5+ Air tube  
6+ Air tube  
7+ Sleeve  
8+ Nut  
9+ Check valve  
10+ Sealing washer  
11+ Air switching valve  
12+ Air hose  
13+ Worm drive hose clip  
14+ Delay valve  
15+ Solenoid valve  
16+ Vapour hose  
17+ Breather hose  
18+ Hose band  
19+ T-piece  
20+ Elbow  

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.