Water Pump for Yanmar Johnson Pump 2GM20-YEU, 2GM20C-YEU 3GM30-YEU, 3GM30C-YEU 10-13337-01 66260538
A raw water pump, also known as a seawater pump or an engine cooling pump, is responsible for pumping seawater into the boat’s cooling system to prevent the engine from overheating. It draws water from outside the vessel and circulates it through the engine’s cooling system, ensuring that the engine maintains an optimal operating temperature.
OE Number
10-24509-01 , 10-24509-02 , 10-13337-01 , 10-13492-01, 128377-42500 , 128397-42500
Fit for the Following
For Yanmar 2GM20-YEU, 2GM20C-YEU 3GM30-YEU, 3GM30C-YEU
Signs of Raw Water Pump Issues
Reduced Water Flow: If you notice a decrease in the amount of water flowing through the exhaust outlet, it may indicate a problem with the pump.
Overheating: An abnormally high engine temperature can be a sign of a failing raw water pump. It is crucial to address this issue promptly to prevent any potential damage to the engine.
Noise or Vibration: Unusual noises or excessive vibration coming from the raw water pump could signify worn-out bearings or impeller issues.
Overheating: An abnormally high engine temperature can be a sign of a failing raw water pump. It is crucial to address this issue promptly to prevent any potential damage to the engine.
Noise or Vibration: Unusual noises or excessive vibration coming from the raw water pump could signify worn-out bearings or impeller issues.
As pics shown