The 8742A21 oil tank with sender is a part designed specifically for Mercury outboard engines. Manufactured in the United States, this product does not come with a warranty. It is an essential component for maintaining the proper functioning of your boat's engine, ensuring that it is well lubricated and preventing potential damage. With the manufacturer part number 8742A21, you can trust that this oil tank with sender is a high-quality and reliable choice for your boating needs.