Dayco Heavy Duty Thermostat DT227A Blue Marine Gear Oil 75W-90 is

Marine Gear Oil 75W-90 is a full synthetic

engine oil for use in a wide range of modern motor vehicles

Disc brake pad wear sensors are designed to "fail" as brake pads wear

Flange to base: 43

Most importantly it�s what�s inside and how it�s made that really counts

Dayco Heavy Duty Thermostat DT227A Blue Marine Gear Oil 75W-90 isDayco 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