078 121 113 F : Water thermostat 87°C for Audi A6

This water thermostat 87°C is designed for Audi A6 vehicles of generations C4 and C5, saloons and estate cars that now hold a special place among classic cars. It regulates the temperature of the cooling fluid to maintain the engine within its optimal operating range, an essential role during restoration or regular maintenance of these vehicles. Its replacement becomes necessary when the old thermostat remains stuck in the open or closed position, causing overheating or failure to reach operating temperature. Having a new and suitable part guarantees reliable thermal management to preserve the mechanics of your Audi A6.