Genuine VW/Audi Radiator Coolant Hose Thermostat To Cooler - 03H121096D - This genuine VW/Audi radiator coolant hose thermostat to cooler is designed to replace the original part on your vehicle. It is manufactured from high-grade materials for a long service life and efficient performance. It is also designed to provide a secure connection between the radiator and the engine for effective cooling.