Get the Oil Filters you need for the next oil change in your 1999-2003 Ford 7.3L Powerstroke. Oil and filter changes are the most basic necessity when it comes to maintenance. Proper oil changes with a quality filter can drastically increase engine life. Aftermarket oil filters typically feature enhanced materials and filter media and in some cases a larger capacity for increased filter media surface area. Top-tier companies like Motorcraft, ACDelco, Donaldson, AFE, Hubb, Diamond Advantage, K&N, and more are offered.