Mariner Mercury Oil filter wrench.Fits: Oil Filters on Mercury/Mariner 9.9-60 HP FourStroke OutboardsOil Filters on Mercury/Mariner 75-115 HP FourStroke Outboards with a serial number of 1B366822 & belowOil Filters on OMC 9.9-15 HP 1995 or newerOil Filters on OMC 70 HP 1998 or newerFuel Filters on OMC 90-115 HP 1998 or newerFuel Filters on OMC 150-225 HP 1999All outboard filters, engine oil and gearbox oil should be changed every 100 hours or once a year in the autumn.Quicksilver Part Number: 91-802653Q02