The OEM Mann Fuel Filter WK 820 15 is designed for use in Freightliner Sprinter 2500 and 3500 as well as Mercedes E350 vehicles. This fuel filter, with a 1-year manufacturer warranty, is a direct replacement part that ensures easy installation. It is specifically designed for filtering fuel to maintain the proper functioning of the vehicles' engines. The filter is manufactured by MANN and has various interchangeable part numbers such as WK 820/6 and WK 820/7, providing compatibility with multiple vehicle models.