Mercury – Replacement Thermostat | 60 Degree F Cooling Control | Stainless Steel Construction | 8M0119207Mercury Replacement Thermostat 60 Degree F Cooling Control Stainless Steel Construction 8M0119207 Overview Any boater whos spent time navigating narrow channels at dawn or easing across a glass calm lake knows how much trust we put in our engines. When the temperature is right, the motor feels smooth, steady, and responsivealmost as if its reading your thoughts. That sense of calm starts with a simple but critical component: the thermostat. The