300-Hour 4-Stroke EFI Outboard Service Kit 8M0151470 is for 15hp and 20hp Mercury 4-stroke EFI outboards (serial No. 0R833820 and above). The box includes oil filter, fuel filter, oil drain seal, gear case seals, thermostat and thermostat gaskets, spark plugs, water pump impeller kit and anodes. 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.

• Complete selection of required 300-hour service replacement items in 1 box — no need to order separate parts
• Includes oil filter, fuel filter, oil drain seal, gear case seals, thermostat and thermostat gaskets, spark plugs, water pump impeller kit and unit anodes