Home Engine Systems Engine Care Anodes Zinc Rudder Anode (3-3/4” D) Camp Zinc Rudder Anode (3-3/4” D) $21.29 Zinc Rudder Anode (3-3/4” D) quantity Add to cart Product Details Product Details 3-3/4″. Meets all MIL-A-18001 specifications. Used as sacrificial anodes to protect propellers, struts, bearings, etc. from underwater electrolysis. Brass bushing for permanent ground. Supplied with stainless steel screws and lock washers.
