Racor 31871 Twin Pack replacement Filters to suitto Mercury Optimax and Verado Outboard Motors – Features Racor’s Aquabloc 10 micron media which removes up to 99.9% of water. Meets and exceeds OEM requirements and replaces Mercury 35-884380T or 35-8M0020349 fuel filters.Compatible Brands & Part Numbers:Replaces:Mercury – 35-88438TMercury – 35-8M2349Mercury – 35-884380TMercury – 35-8M0020349Quicksilver – 35-8M0060-041