The Bolt,socket is the cheapest item from this partsfiche.
The Bt1100 2005 5jn4 Spain 1d5jn-332g2 Oil Cleaner consists of twelve pieces with the Cover, Oil Element being the most expensive.
A sample from the products for the Oil Cleaner include: O-ring (611), Bolt,socket, Bolt,socket Head, Bolt (4x7).