This Martyr brand anode fits the Mercury kit and is perfect for those looking to replace their anode. The manufacturer part number CM55989KITM indicates that this anode is made in China. It is important to ensure that this anode is compatible with your outboard engine before purchasing. In addition, this anode is a great addition to your boat parts and accessories collection. It is a must-have for those who want to maintain their boat's performance and ensure that it runs smoothly. Buy this anode now and experience the benefits of a high-quality replacement part.