1+ Oil cooler adaptor  
2+ .Bypass valve  
3+ .Stud  
4+ Bypass pipe  
5+ Flanged nut  
6+ Connector  
7+ O-ring  
8+ Filter head  
9+ Washer faced bolt  
10+ Oil filter  
11+ Oil pressure transducer  
12+ Oil pressure switch and link lead  
13+ Oil cooler adaptor gasket  
14+ Oil filter housing gasket  

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.