Water Temperature Sensor 4257129 for Hitachi EX200-2, EX200-3, EX200-5 Isuzu 6BD1 6BG1 Engine

Maintain proper engine temperature control with this Water Temperature Sensor 4257129, designed for Hitachi EX200 series excavators equipped with Isuzu 6BD1 and 6BG1 diesel engines. This sensor accurately monitors coolant temperature and sends signals to the gauge or ECU, helping prevent overheating and engine damage.

Manufactured to OEM standards, this Hitachi EX200 temperature sensor provides precise readings, stable performance, and long service life under harsh construction site conditions. Proper coolant temperature monitoring improves engine efficiency, protects internal components, and reduces the risk of costly repairs.

This 4257129 water temperature sensor is ideal for maintenance, troubleshooting faulty readings, or replacing damaged sensors in heavy-duty excavation equipment.

Key Features & Benefits

• Part Number: 4257129

• Accurate coolant temperature monitoring

• Compatible with Isuzu 6BD1 and 6BG1 engines

• OEM-quality construction for precise fitment

• Prevents engine overheating

• Improves engine efficiency and safety

• Designed for heavy-duty excavator applications

Engine Compatibility

• Isuzu 6BD1 Engine

• Isuzu 6BG1 Engine

Equipment Compatibility

• Hitachi EX200-2 Excavator

• Hitachi EX200-3 Excavator

• Hitachi EX200-5 Excavator

Frequently Asked Questions

Q1: What is the part number of this temperature sensor?

The part number is 4257129.

Q2: Which engines are compatible?

This sensor fits Isuzu 6BD1 and 6BG1 diesel engines.

Q3: Which excavator models use this sensor?

It is compatible with Hitachi EX200-2, EX200-3, and EX200-5 excavators.

Q4: What does a water temperature sensor do?

It monitors engine coolant temperature and sends signals to the gauge or control system to prevent overheating.

Q5: What are signs of a faulty temperature sensor?

Incorrect temperature readings, overheating warnings, poor engine performance, or starting issues may indicate a faulty sensor.