1+ Bumper support  
2+ Crossbrace  
3+ Crossbrace reinforcement  
4+ Pan head screw  
5+ Washer  
6+ Lock washer  
7+ Horizontal brace  
8+ Distance piece  
9+ Hexagonal nut  

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.