Tridon Thermostat TT439-180P Ultra-Rotor providing clean fuel and maximum

providing clean fuel and maximum flow performance

4 bolt holes

The switch is designed to complete the circuit when reverse gear is selected allowing reverse light operation (manual transmission only)

High flow version of TT234 series

Ford Cleveland V8 with jiggle pin

Tridon Thermostat TT439-180P Ultra-Rotor providing clean fuel and maximumThe 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.