Quicksilver 822626Q03 Oil Filter - Mercury and Mariner Outboards Superior m-pleated cleansing filter media removes oil contaminants that could damage your engine Produced to Meet Mercury marine original equipment Manufacturer specifications to best protect your engine Features an anti-drain back valve to ensure start up lubrication and eliminate dry starts 50% thicker metal shell than conventional filters with a durable, corrosion resistant finish Easy to replace when Winterizing or at 100-hour engine run time in Season