The Quicksilver Outboard Service Repair Kit 8M0181316 is for Mercury 8/9.9 hp 4 stroke Carbureted Outboards (s/n 0R042475 and above). This kit includes fuel filter, water pump repair kit, two spark plugs, gasket, seals, and washer. Follow your owner's manual service schedule to help keep your engine running longer and stronger. Periodic maintenance and service helps protect your investment in your engine and your boating pleasure.