This makes the job of taking the HPOP off the truck much easier. Fits F250 F350 F450 F550 E250 E350 E450 T444E FSD ESD, 6.0 / 7.3 Powerstroke. Quick Disconnect Tool -- A must have for removing the 7.3 High Pressure Oil Pump and the early 6.0 High Pressure Oil Pump.