0+ (Unillustrated Parts)  
1+ Seat cushion  
2+ Seat cushion  
3+ Cushion cover  
4+ Cushion cover  
5+ Spire nut  
6+ Plain washer  
7+ Flanged head screw  
8+ Seat squab  
9+ Squab cover  
10+ Squab cover  
11+ Headrest  

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.