When it comes to a boat alternator, one of the most critical parts of your boat motor, Overton’s has a full selection of watercraft alternators to keep your boat’s motor in tip top shape. Responsible for providing electric power while your boat is actively running, a boat motor alternator also charges your boat’s battery at the same time. In other words, an alternator for a boat is one of the most important purchases you can make, which is why we carry not only alternators but alternator chargers. Find everything you need to keep your engine up and running at Overton’s! Don’t forget about our Marine Engine Parts Selector Tool to find the right engine parts for your boat.