Overview – TEMPERATURE SENSOR 8121468300 Series
The Hitachi TEMPERATURE SENSOR 8121468300 is part of a proven family of components used across Hitachi engine and auxiliary positions as the temperature sensor reading coolant or component temperature, and several interchangeable part numbers share the same fitment.
Parts Characteristics
A temperature sensor that reads the coolant or component temperature and reports it to the controller, so the fan, the derate and the gauge all see the real number. It carries the signal that keeps the thermal strategy honest, so a true, responsive sensor keeps the machine out of overheat.
Applicable Models & Applications
Used at Hitachi engine and auxiliary positions specifying this temperature sensor (series). Match the thread, the connector and the calibration against your old sensor – temperature sensors differ in how they read and plug.
Maintenance & Replacement
Inspect the connector for corrosion and the probe for scale at every cooling service. A sensor that has begun to read lazy lets the engine run hotter than it shows, and the heat is what cracks the head.
Confirm the reading tracks the gauge and the fan behaviour. A sensor that sits at a fixed value hides an overheat from the rest of the system.
Replace rather than clean a sluggish one. A sensor that has lost its calibration cannot be restored, only swapped.
Keep the correct temperature sensor for your machine on the bench. It is cheap, it protects an expensive engine, and it is exactly the part missing when a temperature reads wrong today.
Price Reference (USD)
The TEMPERATURE SENSOR 8121468300 is offered in the USD 15-90 range, with quantity breaks available for fleet maintenance programs.
Value & Service
We supply brand-new Hitachi temperature sensors with the thread and calibration confirmed against your machine, so the temperature reading stays honest.
The TEMPERATURE SENSOR family includes 8980235810, 9095661100; we can cross-check which one matches your serial number.
Racer Machinery helps you standardize Hitachi General Parts procurement; the TEMPERATURE SENSOR 8121468300 can be set up as a repeat order for predictable servicing.
