Re: What is this?
Not stock..trace the rubber lines.
It looks to be sitting where the fuelbowl was...
Could be coolant filter base..oil bypass kit or fuel related.
To me lines look too big for fuel or oil...but that is an odd spot for a coolant filter
Early 99 f350 4x4 crew cab, auto. pmt2 pcm
2001 cup holder ,T500, MAX AC ASSIST AC mod, Diy Twin tymar, TS chip, Powerslots & Hawk pads, ford AIC, ..... with big fat want to list.