Dayco Thermostat DT204A Ultra-Rotor since copper is damaging to

since copper is damaging to our waterways

and an internal pivot bearing

Enviro+ 10W-40 is a highly advanced

for reduced noise and increased heat resistance

Protects against corrosion

Dayco Thermostat DT204A Ultra-Rotor since copper is damaging toDayco 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