Quicksilver 877761Q01 Oil Filter - Mercury and Mariner 75 HP through 115 HP Outboards and 150 HP EFI 4-Stroke Outboards Features an anti-drain back valve to ensure start up lubrication and eliminate dry starts Produced to Meet Mercury marine original equipment Manufacturer specifications to best protect your engine Superior m-pleated cleansing filter media removes oil contaminants 50% thicker metal shell than conventional filters with a durable, corrosion resistant finish Easy to replace with common tools and oil filter wrench