1+ Seatbelt  
2+ Seatbelt buckle  
3+ Anchor adjust  
4+ Adjustable anchor knob  
5+ O-ring  
6+ B-post slider finisher  
7+ Slider bar  
8+ Grommet  
9+ Mounting bolt finisher cap  

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.