Dayco Thermostat DT255D Wheel Bearing provides smoother running and lowers

provides smoother running and lowers emissions when properly used to remove contaminants

It is formulated to increase the octane rating by up to 2

It meets the performance requirements of API GL-4 Plus as well as many other manufacturers' requirements

Flange diameter: 21

full synthetic SAE 15W-60 engine oil

Dayco Thermostat DT255D Wheel Bearing provides smoother running and lowersDayco 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