You can get it at the dealer and it's easier to see it on the diagram that they have. You will not find this part anywhere except made by ac delco so it is overpriced. I think I paid like $30 for this little thing. I'm not sure of the part number for it though. Mine was ripped where it connected to the throttle body and was really loose from age where the rubber connected to the plastic connector that attached to the evap.