MAHLE ORIGINAL TO1186 Thermostat Oil Every MAHLE Original oil thermostat is designed to vehicle manufacturers' (OE) specifications - This oil thermostat is the OE part number for this application Oil thermostats result in reduced wear, improved gearshift comfort, and fuel savings of approximately 1% in conventional driving cycles The last two or three digits of the MAHLE Original oil thermostat represents the opening temperature of the thermostat in degrees Celsius