Mercury water separating fuel filter 35-866594K01
Removes water and other impurities from gasoline for optimum fuel system performance.
Fits Mercury and MercCruiser 1.6L vazer 4 cylinder and 3.0L MPI sterndrive engines.
Change your fuel filter after every 100 hours of normal use or minimally once per season see your engine service and maintenance manual for further details. Always carry and extra filter on board.