Get the stock or upgraded Oil Filters you need when doing an oil change in your 2001-2004 Chevy/GMC 6.6L LB7 Duramax. Aftermarket oil filters feature enhanced materials and even larger filter capacity for increased filtration. 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. Donaldson, ACDelco, Motorcraft, K&N, AFE, Hubb, and Diamond Advantage are just some of the industry leading brands you'll find.