E450 Oil Filter
I picked up a 2007 Fleetwood Tioga 29V, E450 6.8L a couple months ago and did it's first oil change this past weekend. I had quite an ordeal with the oil filter because the FL-820S listed in the books...
Forum Discussion
I think a trip to your Ford dealer with your VIN and other pertinent information is in order. The parts department there should set you on the right track.
