Home Engine Systems Engine Care Anodes Zinc Donut Shaft Anode (Shaft Size 2-1/4”) Camp Zinc Donut Shaft Anode (Shaft Size 2-1/4”) $42.99 Zinc Donut Shaft Anode (Shaft Size 2-1/4”) quantity Add to cart Product Details Product Details Meets all MIL-A-18001 specifications. Used as sacrificial anodes to protect propellers, struts, bearings, etc. from underwater electrolysis. Supplied with stainless steel screws and lock washers. Shaft size 2-1/4″. 4″ OD.
