1+ Power steering pump  
2+ .Shaft and ring  
3+ .Rotor service kit  
4+ .Retaining ring kit  
5+ .Seal kit  
6+ .Control valve  
7+ Driving gear  
8+ Steering pump coupling  
9+ Setscrew  
10+ Steering pump adaptor  
11+ Washer faced setscrew  

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.