Engine oil dipstick 861942T9 fits MerCruiser V8 (1998 and newer, 305, 350, 377 and 502 CID) engines. Dipstick has yellow handle end for ease of use and visibility in the engine compartment. See your owner's manual, parts listing or service manual for exact application and installation instructions. Be sure to use MerCruiser oil in your MerCruiser sterndrive or inboard engine. 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.