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Surface Preparation: Clean the cowl surface thoroughly with isopropyl alcohol or a marine degreaser to remove all dirt
The spool design allows for easy loading and unloading of various boat hull types
Have a rag handy to catch any residual fuel
Final Check: Lower the stern drive and cycle it side-to-side
Marine Lower Unit Oil Drain Plug - Fits Mercury/Mercruiser 40-115 HP (Replaces 10-79953Q2, 10-79953A2, 18-2244) family-yamaha-15mlhu Surface Preparation: Clean the cowlMarine 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