QUICKSILVER 25W-40 Oil Change Kit for 150hp through 200hp 4-stroke Mercury L4 Verado Outboards OEM washer and 1 Mercury owner s manual instruction sheet for oil change. Resists oxidation. Corrosion protection. Protects against varnish buildup and sludge formation. Exceeds the rust protection requirements for NMMA certification. Provides outstanding wear and corrosion protection to help extend engine life. Meets or exceeds manufacturer's warranty requirements. Using this product will not void manufacturer warranties. Maintains peak engine performance and reliability. 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. Features: