OEM Part Number: 3285347S,1685321S,1285321S,3285361S Features: Higher corrosion resistance: Aluminum alloy can effectively protect the substrate from oxidation and corrosion, especially suitable for humid or chemically corrosive environments. Stronger wear resistance: The hardness of aluminum alloy makes it more resistant to scratches and wear. Glossy appearance: The surface of aluminum alloy is usually brighter and more reflective, and the appearance is very eye-catching and beautiful. Better durability: Due to its corrosion and wear resistance, aluminum alloy items usually have a longer service life. Wide applicability: Aluminum alloy advantages reduce the weight of the engine and can save fuel.