It looks like number 7 is the vent pipe or re circulation pipe as they call it. This only comes on the filler neck it self. Looks like that part number is 310302G150.
As for the fuel tank to canister line, I was not able to find a part number for this which means it is most likely just a bulk line that you can match the size and length to the bulk hose from parts store. As you can see with the attachment they don't list a hose for this connection.
Hopefully this helps. Let me know if you have questions. Thanks
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Thursday, May 14th, 2020 AT 7:43 PM