That is the part number -- don't understand the bit about extra wire -- there isn't any required on the Rocket -- that's part of the beauty.
As others have stated, it'll need to go forward because it is thicker than OEM and will NOT/NOT fit where the OEM one goes.
Now on the other hand, you being handy and all, you might make a new bracket for us ?
Otherwise, it'll need to go where your evaporative canister goes.