Marine Lower Unit Oil Drain Plug - Fits Mercury/Mercruiser 40-115 HP (Replaces 10-79953Q2, 10-79953A2, 18-2244) family-yamaha-15mlhu and verify your current impeller

and verify your current impeller part number matches 19210-ZV7-003 or the aftermarket equivalents listed

belt-driven sea water pumps

Replace seals if you notice any leaks

Test the engine under load and verify smooth acceleration and stable idle

Marine Lower Unit Oil Drain Plug - Fits Mercury/Mercruiser 40-115 HP (Replaces 10-79953Q2, 10-79953A2, 18-2244) family-yamaha-15mlhu and verify your current impellerMarine Lower Unit Oil Drain Plug Fits Mercury Mercruiser 40 115 HP This lower unit oil drain plug is designed for a direct fit on a wide range of Mercury and Mercruiser engines. It is compatible with most 40 HP to 115 HP outboards, as well as Bravo and Alpha One Gen 2 stern drives. This part serves as a direct replacement for multiple OEM part numbers, ensuring broad applicability. Engineered from non magnetic stainless steel, this drain plug screw