I'm having a hard time finding the part numbers for the hose that goes from the Fuel Filter Manager to the water drain valve and the hose that leaves the drain valve and hangs loose. I realize the latter is probably just a generic diesel fuel line (ID ?) but the former has some type of fitting on it. Mine is leaking due to the shop tech trying to reroute it and they stretched it so tight that is leaking at the fitting. I tried LMC, RockAuto and most of the GM sites. So far no good.