10 Micron Compact Fuel Water Separator Kit | Sierra 18-7965-1Aluminum filter head with 13 16 18 thread inlet outlet ports and spin on filter for small outboard engine applications removes water and contaminants from incoming gasoline. Sierra fuel water separator assembly For outboards up to 115 HP 10 micron 13 16 in. 18 thread size Includes two port plugs Does not include hose or fittings sold separately Kit contains 18 7774 filter head bracket and 18 7865 filter Replaces Yamaha MAR MINIF LT AS