Coolant Temp Sensor - Large Thread 3/8 NPT 18TPI

This Haltech coolant temperature sensor features a large 3/8 NPT 18TPI thread configuration, designed for direct integration with Haltech ECU systems requiring accurate engine coolant monitoring. The larger thread diameter provides robust installation in heavy-duty applications and performance engine builds where reliable temperature data is critical. Engineered to work seamlessly with Haltech's calibration files, this sensor ensures your ECU receives precise coolant temperature readings for optimal fuel mapping, ignition timing and engine protection strategies. Essential for any professional tuning setup demanding dependable thermal management data.