MAHLE Original TM12105 Engine Coolant Thermostat Housing Every MAHLE Original map-controlled thermostat is designed to vehicle manufacturers' (OE) specifications - This map-controlled thermostat is the OE part number for this application A map-controlled thermostat controls the temperature levels depending on the vehicle's driving conditions/ load The last two or three digits of the MAHLE Original map-controlled thermostat represent the opening temperature of the thermostat insert in degrees Celsius Housing made of OEM specified material Manufactured to OEM specifications Electronically Influenced Thermostat Made by the world's largest original equipment manufacture of thermostats OE Form, Fit and Function