1+ Pressure regulator housing  
2+ Fuel pressure regulator  
3+ Regulator retaining plate  
4+ Hexagon flange screw  
5+ Solenoid valve  
6+ Mounting spacer  
7+ Elbow  
8+ Delay valve  
9+ Tube connector  
10+ Elbow  
11+ T-piece  
12+ Breather hose  
13+ Thermal switch  

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.