Dayco Thermostat DT173D Ultra-Select while also being suitable for

while also being suitable for everyday driving

The Ultra Performance Disc Rotor is made with longevity and performance in mind

Bypass style thermostat with pressure relief hole

increases power

Alternate temperature - OE

Dayco Thermostat DT173D Ultra-Select while also being suitable forDayco thermostats are designed to OEM specifications and come with a heat sensing wax filled copper power pill that detects the coolant temperature in the engine. The Dayco thermostat's amazing heat sensing power pill controls coolant flow from the radiator when the engine is cold to reach optimum operating temperature quickly. It then allows coolant to circulate through the engine when operating temperature is reached to create the perfect