MOVABLE 6E0-45631-00 REC6E0-45631-00

Function and technical context

The 6E0-45631-00 displacement is a critical component of the cooling system of marine outboard engines, responsible for driving the flow of cooling water through the engine block. It works within the cooling circuit, drawing water from the outside and distributing it to the points of greatest heat generation to maintain operating temperatures within safe ranges. Its failure or deterioration causes insufficient coolant circulation, which leads to engine overheating, damage to head gaskets, accelerated internal corrosion and, in extreme cases, engine seizure during navigation.

When to replace this part?

This displacement requires regular inspection and preventive replacement every intensive navigation season, especially if it is operated in turbid waters or with high salinity, conditions that accelerate the erosion of the blades. Symptoms of wear include loss of cooling water flow (visible in the discharge hole), progressive increase in motor temperature, formation of cavitation in the pump and abnormal vibrations in the impeller area. Replacing it preventively during seasonal maintenance avoids costly offshore engine repairs and prolongs the life of the equipment.

Compatible Yamaha engines

Equivalent manufacturer part numbers