Primer bulb 8M0052975 is for use with any Mercury or Quicksilver 1/4" ID fuel line. See your owner's manual for fuel line and correct quick disconnect fitting information. Primer bulb construction and materials are compatible with but the use of ethanol blended fuels is not recommended for marine engines. 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.