This water pump with gaskets fits various Mercedes-Benz models, including C320, C240, E320, E500, ML320, ML350, SL500, S430, and others. It is a direct replacement with a belt-driven drive type and bolt-on mounting style. The housing material is aluminum and the impeller material is steel. The water pump comes with a 1-year unlimited-mileage warranty and a 30-day return policy. It does not come with a pulley and has two hose connections. The OE number is 1122001501 and the manufacturer part number is 14909020. The water pump is new and has not been used before.