Engine overheating in excavators rarely happens without warning—unstable coolant temperature data is often the first sign that monitoring accuracy has been compromised. 256-6453 water temperature sensor is designed for CAT 320D, 320DL, and 330D excavators, transmitting real-time coolant temperature signals to the machine control system for thermal condition monitoring.
Item NO.:
256-6453Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time:
2-3 DAYSInstalled within the engine cooling circuit, this sensor helps the control system detect abnormal heat buildup during excavation, climbing, or long-duration operation. It is commonly used in engine diagnostic maintenance, cooling system restoration, and preventive service programs for heavy construction equipment operating under variable environmental conditions.

| Part Number | 256-6453 |
|---|---|
| Part Name | Temperature Sensor |
| Compatible Brand | Caterpillar |
| Applicable Models | CAT 320D / 320DL / 330D |
| Application | Excavator |
| Material | Brass Housing + Electronic Sensor Core |
| Product Color | Brass / Black |
| Working Temperature | -40°C to 125°C |
| Key Function | Detects and transmits coolant temperature data |
| Condition | 100% New, Aftermarket / OEM Quality |
| Packaging | Wooden Case/Reinforced Carton/Neutral Packing / Customized Box |

Continuously monitors coolant temperature changes to support engine operating safety.

Improves reaction speed to sudden temperature fluctuations during high-load machine operation.

Helps maintain accurate communication between cooling system and machine monitoring module.


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