I haven't accomplished my mission of replacing my cupholder with a smaller one like ron.dittmer has....yet. I did go out to the local junkyard but everything was just that....junk.
So then I stopped at our local Ford dealership and the parts guy there was less than helpful. He would only look up a part if I had a VIN that had the part I wanted. I'm amazed that he can keep his job with such an attitude. You could tell his mission was to get to quitting time while doing as little as possible. Helping the customer was not his priority to say the least. Too bad the owner doesn't realize what he's got there.
Then I called Forrest River manufacturing in Indiana. They would not sell retail but gave me the name of a company that does have access to their stock and sells retail. I call a nice lady there and she was very nice and very willing to do what she could. Only thing is, they don't have complete parts manuals for all the Forrest River products but she said if I could find a Forrest River RV with the cupholder I like then I should get the VIN from that vehicle and send it to her and she can get the part for me. It's a start. That outfit is Giant Recreation World in Winter Garden, Florida. 407-656-6444. Talk to Elizabeth or Terry.
I'm going to check out some used RVs and see if I can find that info. Some RV Trader ads show pictures of the interior and list the VIN. I may be able to find the info there.
Today I am also going to call Pheonix Cruiser. They are a smaller company than Forrest River and may be more helpful. I know that Ron Dittmer has a 2350 on an E350 and it is a 2007. That may be enough info for Phoenix Cruiser to identify the part. I think the doghouse is the same on the 450. IF...if they will sell retail. Anyway the chase is on and the fox will be caught!