This Sierra 18-2854 Marine Exhaust Elbow Gasket is a top-quality product designed for use with inboard engines and components. It is made by a trusted brand and has a manufacturer part number of 18-2854. The gasket is made in the United States and is designed to fit perfectly with your boat's exhaust system. It is an essential part that helps to ensure the proper functioning of your engine and ensures that it runs smoothly. This product is perfect for those looking to replace their old or damaged gasket and get their engine running optimally. It is easy to install and use, and is a must-have for any boat owner who wants to keep their engine running smoothly.