Volvo Penta XDP-B zinc anode kit suitable for Volvo Penta XDP-B sterndrives. This kit includes collar anode 3861634 and zinc anode 3861636 , designed to help protect your sterndrive against galvanic corrosion. Zinc anodes are especially recommended for boats operating in salt water or brackish water. Replacing worn sacrificial anodes in time helps protect expensive drive components from corrosion and damage. OEM Reference Numbers 3861634 - Collar Anode 3861636 - Anode Suitable for Volvo Penta XDP-B sterndrives
