Genuine OEM Audi Engine Coolant Thermostat, part number 06H121113B. This essential component precisely regulates the flow of coolant through the engine, ensuring it reaches and maintains its optimal operating temperature quickly and efficiently. It opens and closes based on coolant temperature, directing flow to the radiator when needed. Constructed with a calibrated wax element and durable seals, it provides reliable temperature control. Using a genuine OEM thermostat guarantees the correct opening temperature and consistent performance, crucial for engine longevity, fuel efficiency, and proper heater operation.

Catalogue entry: COOLANT RG.

Fitted with: 06H121121L COVER, 06H121119E SEAL. RING, N10196103 BOLT, N10084107 SCREW.