Mercury 41802 Mercruiser SealQuicksilver 41802 exhaust y-pipe seal fits MerCruiser R, MR, Alpha, and Bravo sterndrive transom assemblies. It provides a reliable seal between the exhaust y-pipe and transom to prevent leaks. Made to meet Mercury Marine OEM specifications for a precise fit and durability. Refer to your owner's manual for exact fitment and installation. Genuine OEM Mercury-Mercruiser part.