Dayco Thermostat DT158Q Microshield providing circuit switching during a

providing circuit switching during a predetermined temperature range allowing fan operation

Opening Temp: 85°C

which offers general-purpose

zinc oxide and additional synthetic base oil that will resist temperatures of up to 1093°C

Special design conventional style thermostat with pressure relief hole

Dayco Thermostat DT158Q Microshield providing circuit switching during aDayco 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