About this part
What it does. Febest Thermostat Febest 818-23462-002 is part of the cooling system that carries engine heat away and holds the engine at operating temperature.
Symptoms that point to this part
- Temperature gauge climbing
- Coolant puddles under the car
- Heater blowing cold
- Sweet coolant smell
Fitment. Catalogued as fitting 2025–2026 Audi A3 Quattro, 2026 Audi S3, 2024 Audi A3. Engine, sub-model and trim can narrow fitment further, so check those attributes on the listing before ordering.