I am trying to fix a fuel leak on my 2009 Ducati Monster 696. I have the part numbers for the whole delivery and return assemblies but I only need the small o rings inside them. I checked the California Cycleworks website and could not find the right gaskets. I want to buy some Viton or Nitrile rings because they last longer when they are in contact with gas. But I am having a hard time finding a shop that sells just the seals. Does anyone know where to buy these without paying for the entire hose assembly? Should I try an industrial supply store to see if they have the right size in stock?