Fixitshop 26655 Thermocouple Mr. Heater Heat-Star - - Amazon.com
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Coolant Temperature Sensor, Brass, K-Type Thermocouple
UNI-T K/J Type Thermocouple, Mini Contact Type Dual Channel Thermometer,Minus 58F to 2192F Wide Range Digital Thermometer, Pipe/Radiator/Probe Thermometer Temperature Gauge UT320D: Amazon.com: Industrial & Scientific