This kit by CMHBF4050 includes a Martyr brand anode and manufacturer part number 4050. It is perfect for those in need of a replacement part for their outboard engine. The kit is designed for easy installation and use, ensuring that your boat will be back on the water in no time. The brand Martyr is known for its high-quality products, and this anode is no exception. It is durable and designed to last, ensuring that you get the most out of your investment. This kit is a must-have for any boater looking to maintain their outboard engine and keep their boat running smoothly.