Mercury Precision Parts 300 Hour Maintenance Kit 8M0120839 contains all the parts you need to complete a 300-hour service on Mercury 25-30hp FourStroke outboards (serial number 0R106999 through 1R162636) in one convenient package
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, 3 spark plugs, water pump impeller kit and unit anode
Periodic maintenance is easy to do using common shop tools
Follow your owner's manual for recommended service to keep your engine running longer and stronger while protecting your investment in your boating fun
Produced by Mercury Marine to our stringent original equipment manufacturer specifications to maximize the performance of your Mercury and Mariner outboard or MerCruiser sterndrive