QuickSilver 4-Stroke EFI Oil Change Kit Quicksilver launches new convenient oil change kits to make it easy for Customers to change their oil Each kit contains all the items needed to change your oil in Select Mercury 4-Stroke Outboards Quicksilver Marine 25W-40 Engine Oil featuring Flagship Protection Kit contains: Quicksilver Marine Oil, Oil Filter, Drain Plug Seal and Drip Tray Complete oil change instructions printed right on the box