Stant 14728 Thermostat - 185 Degrees Fahrenheit 100% calibration is conducted for each heat motor to guarantee quality and performance Original equipment design provides exact fit and performance. Patented ELAC heat motor provides consistant valve response for precise engine cooling Stainless steel assembly and springs are engineered for long life and smooth performance. Use when you want 185 Degrees Fahrenheit Depth from Flange (inches ): 1.4