Shop Fuel Filters for the 2006-2007 Chevy/GMC 6.6L Duramax LLY/LBZ and make sure to properly maintain your fuel system. Changing your fuel filter often helps protect your fuel injectors, fuel pumps, and engine from damaging contaminants. Using an aftermarket or stock replacement filter that is constructed with premium filter media provides proper filtration efficiency and holding capacity. Get the filters and accessories your Silverado/Sierra needs from industry leading manufacturers including AFE, Racor, Dorman, Motorcraft, ACDelco, and more!