Sierra 18-7784 Fuel Filter for Mercruiser Stern DrivesSierra 18-7784 is a replacement fuel filter for Mercruiser Stern Drives and has a Micron Rating of 20. All Sierra aftermarket fuel filters are manufactured to meet or exceed OEM requirements.Fits: Mercruiser 2.5L/3.0L(Serial No. 6229718 & later); All MC224 CID (Serial No. 6218037 & later); All GM 262 CID (Serial No. A331455 & later) with Carter Fuel Pumps; Interchangeable with: Mallory; 9-37821; Mercruiser Stern Drive; 35-11004; 35-11004A1; 35-11004Q2; 35-11004T1; 35-11004T2; 35-803897; 35-803897K1; 35-803897Q1; 35-8M0046751; 35-8M0046752;