Zinc Engine Anodes With Plugs

Engine Anodes or zincs protect your boats motor from galvanic corrosion by providing sacrificial material. These zinc anodes are sold with the threaded end plugs that the anode treads into.

• Sold with end plug
• NPT gives the plug thread size; thread that screws into the engine block, cooler etc.
• UNC indicates anode thread size; the thread that screws into the plug