US31B Mercury Quicksilver 891736T Trim Motor Assembly. Fits: MerCruiser I/O’s and Mercury Outboards w/Oildyne pump. 12 Volt, Ring Terminal Ends. Fits 1991 & newer Alpha One Gen II drives, also fits 1988 & newer Bravo drives. Good USED Condition. Comes as pictured. Please verify the part number is correct for your application. Thank you for shopping Madlin Marine Parts.