YANMAR ENGINE ANODE COMPLETE 1/2

Function and technical context

The TEN01317T sacrificial anode is part of the cathodic protection system of the Yanmar engine, acting as an electrochemical element that oxidizes in a controlled manner to protect the internal metal components of the engine against galvanic corrosion. Its 1/2" thread allows its direct installation in strategic points of the engine block or cylinder head, guaranteeing permanent electrical contact with the salt or brackish water cooling circuit. Without effective cathodic protection, the noblest metals of the engine - cylinder heads, pump bodies, manifolds and internal passages - are exposed to an accelerated corrosion process that can compromise the tightness and structural integrity of the cooling system. Regular replacement of this anode is, therefore, a measure. of first-rate preventive maintenance on any Yanmar engine operating in marine environments.

When to replace this part?

Sacrificial anodes must be inspected at the beginning and end of each boating season; When the anode has lost more than 50% of its mass or has a completely irregular and friable surface, it must be replaced immediately. A depleted anode no longer protects the engine and the first symptoms of internal corrosion usually manifest as coolant leaks, pitting in the cylinder head or visible deterioration in the water passages. Replacing the TEN01317T anode preventively, before it is completely consumed, is the most economical way to avoid serious failures in the block or cylinder head that require high-cost repair.

Compatibility with Yanmar Engines

Equivalent manufacturer part numbers