Gear housing gasket 430331 is for use on MerCruiser Alpha One Gen II sterndrives, Mercury and Mariner 40-60hp 4-stroke Big Foot, 60hp (3-cylinder) Big Foot, 75-115hp 2-cycle outboards (USA serial No. A996142 and above, Belgium serial No. 9483121 and above), 75-115hp EFI 4-stroke outboards, 150hp EFI 4-stroke outboard, V-200 (3.0L) DFI outboard, 135-300hp Verado outboards and V-225/250 (3.0L) outboards. See your owner's manual or service manual for more information. 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.