Fuel Filters - Advance Auto Parts From the moment you turn the key, your fuel system, including your fuel filter, starts delivering fuel. It pumps the gas from the tank to the engine, making sure you have the Fuel Filters - Walmart wwwart››Automotive Replacement Parts›Auto FiltersShop for Fuel Filters in Auto Filters. Buy products such as ACDelco TP3018 Fuel Filter, Motorcraft Engine Fuel Filter, MTCFD4617 at Walmart and save. Amazon: Fuel Filters - Replacement Parts: Automotive The fuel filter removes contaminants from gasoline or diesel fuel that could clog fuel injectors or cause carburetor problems. Some fuel filters are spliced into the fuel line between the tank and the fuel pump. Others fuel filters are attached to the fuel pump or fuel tank. Some fuel filters may be part of the carburetor or fuel-injector assembly.