Replace your facoty oil filter with the K&N Gold Performance Oil Filter for your 7.3L Powerstroke. K&N oil filters are constructed using heavy duty materials to provide more strength to reduce the possibility of bursts and or rock and stone damage. The filters inner element traps contaminants as small as 10 to 20 microns in size all while allowing oil flow rates between 12-16 gmp. This filter also features a sturdy 1" wrench nut for fast and easy removal.