The 18-7946 Sierra Spin On Fuel Filter is a high-quality and durable fuel filter designed for outboard engines. Made by the trusted brand Sierra in the United States, this filter is manufactured with precision and attention to detail. With manufacturer part numbers 18-7946 and 47-7946, this product ensures compatibility and reliability for your boat's fuel system. Whether you are a boat enthusiast or a professional mechanic, this Sierra Spin On Fuel Filter is a crucial component to keep your engine running smoothly and efficiently.