Tridon Thermostat TT637-180 Ultra-Performance Incorporates Ryco MicroShield media technology

Incorporates Ryco MicroShield media technology designed and lab tested to filter out fine particles of 2

To be used with original thermostat housing

By-pass valve ensures protection of the engine against oil starvation

The thermo fan switch responds to changes in engine coolant temperature

Tridon Thermostat TT637-180 Ultra-Performance Incorporates Ryco MicroShield media technologyThe 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.