No.DescriptionPriceQuantity
1+ Air injection pump  
2+ Idler pulley  
3+ Screw  
4+ Serrated washer  
5+ Mounting bracket  
6+ Setscrew  
7+ Spring washer  
8+ Pivot bolt  
9+ Clamp washer  
10+ Plain washer  
11+ Locking nut  
12+ Adjustment bolt  
13+ Bolt  
14+ Washer  
15+ Washer  
16+ Spring washer  
17+ Hexagonal nut  
18+ Outlet adaptor  
19+ Gasket  
20+ Stud  
21+ Serrated washer  
22+ Flanged nut  
23+ Bush  

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.