Five Star DEF DEF Magnevator for Activating Magnetic DEF Pump Nozzles The DEF Magnevator allows use of the magnetic-activated DEF nozzles to fill jugs, or your vehicle. Unique design that is easy to usewith the standard DEF filler interface in pickups and cars. Fits larger fuel access doors such as F350, 3500, Class 8 Heavy trucks, RVs, and Farm Equipment. Integral DEF JUG cap to permit easy filling of DEFJUGs or any jug with 63/445 Neck Precision cleaned and bagged and wetted parts are manufactured from High Density Polyethylene, Nylon, or Polypropylene for DEF compatibility