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Temperature switch 3E-2028 suitable for Caterpillar CAT 3304, 3306, 3406 engines and 621F, 623E, 623F, 627F tractors
Product Name：Caterpillar Temperature Switch (Part Number: 3E-2028)
Applicable Equipment：
- Engines: Caterpillar CAT 3304, 3306, 3406 diesel engines
- Machines: 621F, 623E, 623F, 627F tractors and other construction machinery
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Product Description
Core Parameters：
- Part Number: 3E-2028
- Brand: Caterpillar
- Type: Temperature sensing switch (temperature sensor/thermostatic switch)
- Structure: Metal threaded probe + waterproof wiring harness plug, suitable for installation on engine block or coolant line
- Function: Monitors engine coolant or block temperature, triggers circuit on/off at preset temperature threshold, and sends temperature signals to ECU or instrument panel
Function & Application：
- Temperature Monitoring: Collects real-time engine operating temperature to provide data for ECU, controlling fan operation, fuel injection and protection strategies.
- Overheat Protection: Activates when engine temperature exceeds safe threshold, triggering alarms or protection logic to prevent engine damage from overheating.
- Signal Transmission: Transmits temperature signals to instrument or diagnostic system via dedicated harness plug, allowing operators to monitor equipment conditions in real time.
- Durability & Reliability: Corrosion-resistant and vibration-resistant metal probe, plus waterproof connector design, adapts to harsh construction site environments and ensures long-term stable operation.
Application Scenario：
Suitable for maintenance and replacement of the cooling system in Caterpillar 3304/3306/3406 engines and 621F/623E/623F/627F tractors. It is a key sensor component to ensure engine temperature control and safe operation.
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18820999946@163.com
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