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Product Details
Product Overview
This high-quality Water Temperature Sensor, identified by part number 8-97125601-1 (also referenced as 8971256011), is a critical component for the engine cooling management system in Hitachi excavators. Designed for precision monitoring, this sensor ensures accurate coolant temperature readings, which are essential for optimal engine performance, fuel efficiency, and preventing overheating.
The sensor is specifically engineered for use in Hitachi EX series models, including the EX120-5, EX200-5, EX300-5, and EX400. While primarily associated with the EX400 model, its application extends across these heavy-duty excavator platforms. This part is sourced as a genuine component, providing reliable OEM-level quality for demanding construction and mining environments.
Key Features & Benefits
Precision Temperature Monitoring: Delivers accurate coolant temperature data to the ECU, enabling precise fuel injection timing and engine protection.
OEM-Grade Construction: Manufactured to meet original equipment specifications, ensuring a direct fit and long service life in Hitachi excavators.
Durable Design: Built to withstand extreme engine bay temperatures, vibration, and thermal cycling common in heavy excavation work.
Direct Plug-and-Play Fitment: Features the correct thread size and electrical connector for easy installation without modifications.
Enhanced Engine Protection: Prevents overheating damage by providing accurate signals for cooling fan engagement and warning systems.
Proven Compatibility: Tested for use across multiple EX series models (EX120-5 to EX400), reducing inventory complexity for fleet operators.
Technical Specifications
Specification
Details
Part Number
8-97125601-1
Cross Reference Number
8971256011
Product Name
Water Temperature Sensor
Application
Excavator Cooling System
Compatible Models
EX120-5, EX200-5, EX300-5, EX400
Condition
Genuine / OEM
Warranty Time
6 Months
MOQ
1 Piece
Delivery Time
Upon Payment Receipt
After Warranty Service
Video Technical Support
OEM Cross-Reference
This Water Temperature Sensor is a direct replacement for the following OEM part numbers. Verify your existing part number for compatibility before ordering.
Primary Part Number: 8-97125601-1
Alternative/OEM Number: 8971256011
Compatibility
This sensor is commonly used for the following Hitachi excavator models and their engine variants. Always cross-check your machine’s serial number and existing part for fitment confirmation.
Hitachi EX120-5
Hitachi EX200-5
Hitachi EX300-5
Hitachi EX400
Global Supply & Distribution
We support the global heavy equipment aftermarket with efficient logistics and international shipping. Our distribution network ensures fast delivery to major industrial hubs worldwide.
North America: Stock available for rapid dispatch to ports like Houston, Los Angeles, and New York.
Europe: Reliable shipping to Rotterdam, Hamburg, and Antwerp.
Asia-Pacific: Fast delivery to Singapore, Shanghai, and Dubai (Jebel Ali).
Middle East & Africa: Service to major construction centers in Saudi Arabia, UAE, and South Africa.
Export Compliance: We adhere to international trade regulations and provide necessary documentation for customs clearance.
Quality Assurance
Every Water Temperature Sensor undergoes rigorous quality checks before shipment to ensure reliability and performance.
Manufacturing Standard: Produced to OEM specifications for dimensional accuracy and electrical resistance.
Testing: Each unit is tested for resistance values at specific temperature ranges to ensure accurate signal output.
Warranty: Backed by a 6-month warranty against manufacturing defects. After-warranty support includes video technical assistance for troubleshooting.
FAQ
Q: How do I verify that part number 8-97125601-1 fits my EX200-5 excavator? A: Check the part number stamped on your existing sensor. If it matches 8-97125601-1 or 8971256011, it is the correct replacement. This sensor is designed for the engine cooling system on EX200-5 models, but we recommend confirming your machine’s serial number range for absolute compatibility.
Q: What are the symptoms of a failing water temperature sensor on my Hitachi excavator? A: Common symptoms include erratic temperature gauge readings, the engine running too hot or too cold, poor fuel economy, black smoke from the exhaust, or the cooling fan running constantly. Replacing a faulty sensor with this genuine part restores accurate engine management.
Q: Is installation of this sensor a simple DIY task, or do I need a mechanic? A: Installation is straightforward for a qualified technician. It typically involves draining a small amount of coolant, removing the old sensor, applying thread sealant to the new one, and tightening it to the correct torque. Always allow the engine to cool completely before starting work. We recommend professional installation if you are not experienced with excavator cooling systems.
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