ANODE 61N-45251-00

Function and technical context

The sacrificial anode is an essential component in the cathodic protection of marine engines submerged or partially exposed to water. Made of a magnesium or aluminum alloy, it is strategically installed in areas where water comes into contact with metal structures of the engine, acting as an electrochemical barrier against corrosion. Its function is to oxidize in a controlled manner instead of the critical components of the engine block, cylinder head or cooling circuits. This galvanic protection mechanism is essential in saltwater vessels or in engines subjected to frequent immersion cycles, preventing the formation of rust and the loss of structural integrity that could compromise the watertightness of the engine.

When to replace this part?

Sacrificial anodes degrade visibly and predictably: if you notice that the part shows generalized erosion, loss of volume or fractures, it is time to replace it. It is recommended to inspect the anode at the end of each sailing season and replace it before it wears out completely, since once consumed it loses all of its protective capacity. Preventative replacement is a minimal investment compared to the cost of repairing severe corrosion inside the engine or on critical components; Furthermore, keeping the anode in good condition guarantees reliable operation throughout the season without the risk of breakdowns due to oxidation.

Equivalent manufacturer part numbers