Protect your Yamaha 115 hp outboard engine from galvanic corrosion with the Yamaha 115 hp Trim Tab Zinc Outboard Engine Anode, part number 6E5-45371-01. Designed specifically for use with Yamaha 115 hp outboard engines, this high-quality zinc anode helps extend the life of your engine and ensure optimal performance and efficiency. It is an essential component for use in saltwater environments, where corrosion can cause serious damage to your engine. The trim b zinc is adjustable to change the direction of the water flow as your boat requires. Align the arrow the direction you need (if any). The Yamaha 115 hp Trim Tab Zinc Outboard Engine Anode is easy to install. Made from durable and reliable materials, it is a cost-effective solution to prevent damage and reduce maintenance costs over time. Don't let corrosion compromise the performance and longevity of your Yamaha 115 hp outboard engine. Invest in the Genuine Yamaha 115 hp Trim Tab Zinc Outboard Engine Anode and enjoy the peace of mind that comes with knowing your engine is protected. Zinc Anodes are designed to protect against galvanic corrosion, so will wear over time. We suggest replacement as the anode wears out. It will eventually start to look pitted and rough. Do not isolate with grease on the bolt or paint or any product that would stop the electrical connection to the lower unit.