0+ (Unillustrated Parts)  
1+ Battery  
2+ Battery breather cover  
3+ Negative battery lead  
4+ Positive battery lead  
5+ Cable clamp plate  
6+ Terminal post  
7+ Terminal post cover  
8+ Terminal post link cable  
9+ Power stud protection cap  
10+ Setscrew  
11+ Shakeproof washer  
12+ Plain washer  

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.