Tridon Thermostat TT599-189 Blue Disc pad wear sensors are

Disc pad wear sensors are an advanced safety feature on many late model vehicles

New vehicle warranty protection

wound core to resist collapse

which provides an easier fit and lowers labour costs

Tridon Thermostat TT599-189 Blue Disc pad wear sensors areThe thermostat is a temperature control valve assembly used in the vehicle cooling system. Located in a housing usually at the front of the vehicle engine, the thermostat allows circulation of coolant through the radiator once the predetermined engine temperature is achieved. There are various styles of thermostats available including conventional, by pass, thermostat housing assemblies, high flow and inserts used in conjunction with original housing.