Water separating fuel filter 8M0154758 is the replacement filter for various Volvo-Penta stern drive and inboard engines. Use to replace: Volvo 3847644; Sierra 18-8149. The water separating fuel filter helps to keep harmful debris or water from getting to your engine. Replace the filter at least once each boating season and before winterizing your boat. Remove the old filter and easily install the new, clean filter. See your owner's manual for replacement recommendations based on your engine use. Check your owner's manual or service manual for specific application and installation instructions. The Quicksilver brand is the leader in delivering uncompromising engine oils, parts and accessories to the marine industry for over 65 years. Quicksilver is the premier supplier of Mercury Marine Original Equipment replacement engine parts, oils, and accessories, but also works to serve Original Equipment brands in the broadening marine, powersports and power equipment industries. It has earned a loyal following by providing the highest quality products that are tested through some of the most rigorous environments and testing procedures. No aftermarket company comes close to the level of research and design as Quicksilver; buying Quicksilver is buying performance, protection and peace of mind.