Feature: For 1994-1997 For Ford Full-Size Pickup sending unit for the 23 gallon REAR PLASTIC fuel tank w/ a DIESEL ENGINE. This unit does NOT include the plastic nut used to secure the sending unit to the tank but it does include a new O-ring. This unit will NOT work with gas engines. Verify that your wiring harness plug connector matches the one in picture Ohm range: Full 155-165, Empty 5-15 This sending unit does NOT come with the "funnel filter." If your filter is no longer useable, you will need to purchase a replacement filter. Fitment: For Ford F-250 F-350 7.3L V8 1994-1997 OE Number: FMSU-14DEP .