Mariner/Mercury 300HRS Service kit F40-60HP. EFI Models STD Gearbox.

Mercury 300 Hour Maintenance Service Kit 40-60 HP 4 CLY EFI 4 Stroke

Suits all Standard gear case Mariner and Mercury 40hp to 60hp EFI engines Only.
Not Compatible with BigFoot or Command Thrust gear cases

Kit includes

Oil Filter
Spark Plugs x 4
Impeller Kit
High and or Low pressure Fuel Filter.
Oil Drain Seal
Gear case drain seal x 2
Thermostat Kit
Lower Unit Anode
Power Trim Anode