0+ (Unillustrated Parts)  
1+ Cushion cover  
2+ Squab cover  
3+ Cushion pad  
4+ Squab pad  
5+ Squab backcover  
6+ Headrest  
7+ Headrest escutcheon  

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.