The most expensive part in this assembly is the Canister Filter.
The most reasonably priced component used on the Hym796 2011 Usa (hypermotard 796) 9151-3121b 040 Evaporative Emissions Canister is the Aluminium Gasket.
A sample from the products for the 040 Evaporative Emissions Canister include: Nut, Union/filter Pipe, Clamp, Clamp.