185 Degree On 170 Off Electric Cooling Fan Wiring Thermostat Install Set kits. -170~185 degree electric fan thermostat relay switch kit, It is a 3/8" pipe thread. Notice:Don't use the teflon tape or thread compoud on the thermostat or adaptor.For proper operation,the thermostat must ground threough the threads to the engine and the engine must be ground.
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