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Ford F-250 & Ford F-350The heavier duty full sized trucks from Ford, offering bigger, more powerful engines and drivetrains for the abuse they may go through in the workplace.
On my truck the fuel filler neck was replaced with FN1111/FNF-171. I am attaching the pics,
As you can see the nozzle goes in but gets bumped on the edge (paint chipped off). I don't think the nozzle is small enough to go deep in further. Did I install the wrong filler neck? The part number looks correct.