Car & Truck Fuel Filters | eBay www››Car & Truck Parts›Car & Truck FiltersCar and Truck Fuel Filters. A fuel filter is one of the components of a combustion engine that ensures only clean fuel gets into the engine by ridding it of debris, dirt, and other contaminants. This filtering is crucial due to the high sensitivity of the fuel system to contaminants.99-03 Ford 7.3 7 Powerstroke Diesel WIX Fuel Filter Element with Cap 11-15 6 Powerstroke Diesel Truck Genuine Motorcraft OEM Oil & Fuel 11-15 6 Powerstroke Diesel Truck Genuine Ford Motorcraft OEM Fuel Fuel Filters | Cross Reference | Alliance Truck Parts Fuel Filters Fuel Filters. Alliance Fuel Filter/Water Separator filtration systems come equipped with patented Aquabloc® media. Aquabloc media is a chemical treatment that is applied to the media to help dirtproof, rustproof, and waterproof your engine.