The 221-8859 Pressure Sensor is a compact and high-accuracy transducer switch designed for Caterpillar models E320C and E320B. With a pressure rating of 40Mpa, this sensor ensures precise monitoring of the hydraulic system’s pressure levels, contributing to the safe and efficient operation of the excavator. Its compact size allows for easy installation, while the high accuracy of the sensor ensures reliable performance in demanding conditions. Built for quick and easy replacement, the 221-8859 Pressure Sensor is an essential part for maintaining the hydraulic system’s health and preventing damage due to pressure fluctuations in heavy-duty machinery.
| Part Name | Pressure Sensor |
|---|---|
| Model | 221-8859 |
| Pressure Rating | 40Mpa |
| Compatible Models | Caterpillar E320C, E320B |
| Function | Monitors hydraulic system pressure |
| Application | Caterpillar Excavators |
| Features | Compact size, high accuracy, easy replacement |
















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