056121113D Thermostat - Online inquiry

The part number 056121113D refers to a thermostat, likely used in certain Volkswagen, Audi, or other Volkswagen Group vehicles. Here's a general overview of what this thermostat does and its possible specifications:

1. Function: A thermostat regulates the engine's temperature by controlling the flow of coolant. It ensures that the engine warms up quickly to the optimal operating temperature and prevents it from overheating by allowing coolant to flow into the radiator when the engine is hot.

2. Location: It is typically located near the engine's coolant outlet and may be part of the water pump assembly or connected separately. In many vehicles, the thermostat is positioned in the thermostat housing, which is secured to the engine block or cylinder head.

3. Common Features:

   • Material: Often made from brass or stainless steel, with a rubber gasket to prevent coolant leakage.
   • Performance: A malfunctioning thermostat (either stuck open or closed) can cause engine temperature issues, leading to overheating or poor engine performance.

4. Applications: The 056121113D part is likely used in several Volkswagen and Audi models, as this part number is consistent with the naming conventions for these brands.

For more accurate details on your vehicle, you’d need to check compatibility based on your specific model or consult a service manual. If you're looking to replace it, ensure the new thermostat matches the specifications required by your engine's cooling system.