Audi A3 8P TT 8J VW Golf Mk6 Coolant Flange Temperature Sensor 03L121132AA

Audi A3 8P TT 8J VW Golf Mk6 Coolant Flange Temperature Sensor is a cooling system component designed for precise integration with the engine and temperature sensors. Thanks to its factory-spec geometry, the flange ensures stable coolant flow, which helps maintain optimal operating conditions for the powertrain. This is a practical solution for users looking for a proven, used component with a design that meets manufacturer standards.

Specifications and technical data

• SKU: 03L121132AA
• Mark: Audi
• Condition: Used
• OEM Part Number: 03L121132AA
• Substitutable numbers: 03L121132AA, 03L 121 132 AA
• Part type: Thermal Switch
• Rim width: 8
• Category: Temperature Sensors

Purpose and function in the cooling system

The coolant flange in Audi A3 8P, TT 8J, and VW Golf Mk6 models is responsible for directing the flow of operating fluid between the various components of the cooling system. Its task is to maintain airtight connections and stable flow, which facilitates the proper operation of temperature sensors and reduces the risk of engine overheating. Precisely shaped flow channels help maintain even distribution of the fluid throughout the entire circuit.

Construction and mounting fitment

The element has been designed as a part compliant with Audi's requirements, which translates into a proper fit for factory mounting points and compatibility with original connectors. The stable construction of the flange minimizes stress on the lines and reduces the risk of leaks at the connection points with the cooling system hoses. As a result, installation is straightforward, with no need to modify adjacent components.

Vehicle application and role in temperature sensor operation

In Audi A3 8P, TT 8J, and VW Golf Mk6 vehicles, the coolant flange works with components from the Temperature sensors category, ensuring they have the appropriate measurement conditions. Properly directed fluid flow allows sensors to react quickly to temperature changes, which supports the control of the engine and cooling system. Maintaining a functional flange reduces the risk of erroneous readings and unwanted fluctuations in operating temperature.

Benefits of choosing a used Audi brand component

Choosing a used Audi coolant flange is a cost-effective solution that allows you to maintain the vehicle's factory design. Original fitment for the cooling system promotes trouble-free operation and facilitates future maintenance, as the component works with stock sensors and hoses. This is a practical option for users who want to restore the proper functioning of the cooling system without altering its design.

Additional technical information

The product belongs to the Temperature sensors category, which highlights its close relationship with the control of thermal parameters in the vehicle. The rim width mentioned in the technical data indicates a connection to a specific vehicle configuration, which facilitates part selection based on factory specifications. Organized technical markings, including part numbers and interchangeable numbers, allow for precise identification of the component in catalog systems.

If you are planning a comprehensive repair or upgrade of the engine area in your Audi and need other elements from the same group, such as sensor housings, connectors, or mounting adapters, check out the available parts in the Audi Temperature sensors category.

When choosing a used coolant flange and other elements related to electronics and engine parameter measurement, it is worth paying attention to the compatibility of markings and vehicle configuration. To better understand when it is worth opting for used electronic and measurement components, check out the tips in the article A second life for electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?.