Genuine OEM Audi Engine Coolant Thermostat, part number 1K0121113A. This critical component precisely regulates the flow and temperature of engine coolant, ensuring the engine operates within its optimal thermal range. Weighing 0.062 kg and measuring 0.097m in length, it is designed for direct fitment. Using a genuine OEM thermostat ensures accurate temperature control and reliable engine protection, preventing overheating or undercooling that can lead to premature wear.

Catalogue entry: COOLANT RG.