Quicksilver 8M0122423 Fuel Filter Element - Mercury and Mariner Outboards and MerCruiser Stern Drive Engines Two micron fuel filter element removes damaging or performance robbing fuel born contaminants Produced to meet Mercury Marine original equipment manufacturer specifications to best protect your outboard or stern drive engine Fits under the outboard engine cowl or in the engine fuel filter housing for stern drive engines Screw in type replacement element