This under-cowl, in-line fuel filter fits many Mercury and Mariner outboards replacing contaminated filters and is mounted under the engine cowl. The translucent plastic-cased filter allows you to check for fuel content and contaminants. Don’t let water moisture or other fuel contaminants rob horsepower from your engine. Filter those particles before they can get to your engine. Used on the 30/40 EFI FourStroke outboard, the 4-cylinder (996 cc) 40/50/60 hp. EFI FourStroke outboards, the 75-115 FourStroke (1.7L, s/n 1B366823-2B094995), the 75-115 FourStroke (2.1L, s/n 2B094996 and above), the 150 EFI FourStroke (1B905505 and above) and the 135 thru 300 hp. Verado outboards. 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 all Original Equipment brands in the marine and powersports 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.