No.DescriptionPriceQuantity
1+ Gearbox case  
2+ Extension case  
3+ Extension case gasket  
4+ Extension case bush  
5+ Seal  
6+ Connector  
7+ Gearbox gasket and seal kit  
8+ Plug  
9+ Gearbox case bush  
10+ Bolt  
11+ Washer  
12+ Tube connector  
13+ Edge clip  
14+ Breather hose  
15+ Vent pipe  
16+ Dowel  

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.