This DS010224563 fuel filter is an engine fuel system filter element for Dongfeng heavy trucks. It can effectively filter impurities, particles and water mixed in diesel fuel, provide clean fuel for the engine fuel injection system, protect fuel injectors, fuel pump and other precision components, reduce wear and failure risk of the fuel system. High-performance filter media with good water separation capability. The sealing rubber ring has stable sealing performance to prevent fuel leakage. Each filter undergoes sealing and filtration efficiency tests before delivery. It is an essential replacement spare part for truck fuel system maintenance.