Thermostat 129155-49800 YM129155-49800 For Komatsu Yanmar 3D84 3TNE84 4TNE84 Engine

Item Include:

1 PCS Thermostat

FAQ

Q: Which engines is this thermostat compatible with?

A: The thermostat 129155-49800 YM129155-49800 is compatible with Yanmar engines, including the following models: 2D68E, 3D68E, 3D74E, 3D75, 3D75N, 3D78, 3D78AE, 3D78N, 3D80, 3D82AE, 3D82E, 3D84, 3D84E, 3D84N, 3D88E, 4D84, and 4D84E.

Q: What types of machinery can this thermostat be used in?

A: This thermostat can be used in the following Yanmar machinery:

1. Excavators: PC12R, PC15R, PC20R, PC27R, PC35R, PC45R.

2. Skid Steer Loaders: SK05J, SK07J, SK714, SK815, SK818.

Q: What is the function of this thermostat in the engine?

A: The thermostat is a crucial component of the engine's cooling system. It helps regulate the engine's operating temperature by controlling the flow of coolant through the radiator. When the engine is cold, the thermostat remains closed, allowing it to warm up quickly. Once the engine reaches its optimal temperature, the thermostat opens, allowing coolant to flow and maintain a stable operating temperature.

Q: How do I know if the thermostat needs to be replaced?

A: There are a few common signs that indicate a faulty thermostat:

1. Engine overheating: If your engine consistently runs hot and overheats, it could be a sign that the thermostat is stuck closed.

2. Engine running too cold: If your engine takes too long to reach operating temperature, or never reaches it at all, the thermostat may be stuck open.

3. Fluctuating temperature gauge: If you notice the temperature gauge rapidly going up and down, the thermostat may be opening and closing erratically.

Q: Can I replace the thermostat myself, or should I seek professional help?

A: If you have experience with engine maintenance and have the necessary tools, you can attempt to replace the thermostat yourself. However, if you are unsure or uncomfortable with the process, it's best to seek the assistance of a qualified mechanic or technician to ensure proper installation and avoid potential damage to the engine.

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