Quicksilver 35-879885Q In-Line Fuel FilterThis under-cowl inline fuel filter offers essential protection by removing fuel-borne contaminants before they reach your engine. With a translucent body for easy inspection, it fits a wide range of Mercury and Mariner EFI FourStroke and Verado outboards.Features: Fits under the engine cowl for Mercury and Mariner outboards; 20-micron filter removes damaging contaminants for engine protection; Translucent case allows visual inspection of fuel and debris; Installs easily with existing hose clamps-no extra hardware needed; Meets Mercury Marine OEM specifications; Quicksilver replacement in-line fuel filter for Mercury engines.; Fits 30/40 HP EFI 4-Stroke Outboards; 4-Cylinder (996cc) 40/50/60 HP EFI 4-Stroke Outboards; 75-115 HP 4-Stroke Outboards (s/n 1B366823 and up); 135-300 HP Verado Outboards; Interchangeable with: Sierra:18-7718;