Mercruiser is known for making top of line sterndrive boat motors. There are several ways to maintain the health of your engine to ensure you spend time on the water rather than in the repair shop. One aspect of taking care of your engine is to maintain the proper functionality of your engine. One way of doing this is to protect the metals on your motor from corrosion. Corrosion is caused by the water degrading the metal on the motor. To protect your Mercruiser motor from corrosion you need to use anodes which act as the weaker metal so the anodes corrode instead of your engine. Here at iboats, we carry every anode you would need to protect your motor from corrosion. In addition to our huge product line, iboats also offers competitive pricing that is hard to match.