(1) New High Quality OEM Spec Mercury Aftermarket Replacement Spanner Lock Nut Bearing Carrier. Fits The Following Mercury Models: Mercury 135-150-175-200-225 HP 2.5L and 3.0L Powerhead Mercruiser MC I R/MR Mercruiser Alpha I Gen I and Gen II 1967-Up Mercury / Mariner 3.0L V6 1994-2006, Alpha One Generation I and Generation II Standard/ Counter Rotation, Bravo One, Mercury outboard lower units 135-300hp Verado 4 & 6 Cyl. 2006-Current, and 2.0, 2.4 & 2.5L V6 Engines 1979-Current.