Complete replacement aluminum anode kit 8M6007985, fits 200HP to 250HP Yamaha outboards. Stainless steel hardware and installation hardware with simple instructions. not in English). Aluminum is 50% lighter and lasts up to 50% longer than zinc in rough, saltwater related environments and is more efficient in protecting outboard, drive and boat from galvanic corrosion. Protect your outboard from the harmful effects of galvanic corrosion. Inspection annual and easy to replace. Regular maintenance and service help protect your investment in your engine and your boating pleasure. See manual or service manual for specific application and instructions. Quicksilver brand has been a leader in uncompromising engine oils, parts and accessories for the marine industry for over 65 years. Quicksilver is the leading supplier of Mercury Marine genuine replacement engine parts, oils and accessories, but also works for all brands of the original equipment industry in the marine and powersports industries. It has earned a loyal follow-up by delivering the highest quality products tested in some of the most stringent environments and testing procedures. No aftermarket company comes close to the level of research and design like Quicksilver; buying Quicksilver means performance, protection and peace of mind.