WATER TUBE RUBBER 6AH-44365-00

Function and technical context

This rubber tube is part of the engine cooling circuit, channeling the flow of water from the pump to the cooling spaces of the engine block. Its mission is to ensure efficient circulation of the coolant to maintain the operating temperature within optimal parameters. Wear or breakage of this duct causes water leaks, loss of pressure in the circuit and, consequently, overheating of the engine which can lead to serious structural damage to cylinders and cylinder heads.

When to replace this part?

The rubber tubes of the cooling circuit should be inspected annually, especially before each sailing season, since exposure to variations in temperature, salinity and sunlight accelerates the aging of the elastomer. Symptoms of deterioration include visible cracks, water leaks at rest or while driving, white deposits forming around connections, and changes in color or texture in the rubber. Preventive replacement prevents sudden breakdown at sea and protects the engine from overheating that compromises its mechanical integrity.

Equivalent manufacturer part numbers