5This Mercury Outboard 40-200hp Voltage Regulator 854515 is a must-have for any boat owner. It is designed for use with freshwater and is compatible with a range of Mercury outboard engines. The regulator is made by a trusted brand and is built to last, ensuring that you can rely on it for many years to come. With this voltage regulator, you can be confident that your boat's electrical system will be reliable and efficient. It is easy to install and use, and is perfect for those who want to upgrade their boat's electrical system. Don't miss out on this opportunity to improve your boating experience!