boat fuel filter | eBay www›Search›boat fuel filterItem Location. see all. Default. Within USA Diesel Truck Marine Boat Fuel Filter + Water Separator 500FG 500FH Universal See more like this. SPONSORED. Brand New For R12T Boat Marine Spin-on Fuel Filter / Water Separator 120AT. High Quality Diesel Fuel Filter With 1 Year Warranty. Fuel Filter Location Page: 1 - iboats Boating Forums | 379570 forumsts››Johnson & Evinrude OutboardsJan 19, 2010Re: Fuel Filter Location Install the fuel/water separator, drain carb a couple of times a year, use Stabil Marine all the time, eliminate the fuel problems before they happen! My Yamaha 90HP is a 1999 model and never had any fuel problems, carbs never been cleaned. What can you say, it works!