Volkswagen VW Touran 1T Temperature Sensor Air Conditioning Heater 3D0907543A

Volkswagen VW Touran 1T Temperature Sensor Air Conditioning Heater is an original component from the Temperature sensors group, designed for precise monitoring of thermal conditions in the air conditioning system. Thanks to its factory origin from the Volkswagen brand, it ensures proper cooperation with the vehicle's electronics and stable operating parameters in daily use.

Specifications and technical data

• SKU: 3D0907543A
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 3D0907543A
• Substitutable numbers: 3D0907543A, 3D0 907 543 A, 95857230400, 958 572 304 00
• Category: Temperature Sensors

Purpose and function in the air conditioning system

The presented sensor is responsible for measuring the temperature in the air conditioning system of the Touran 1T model, which allows the controller to properly regulate the system's performance. A properly functioning component of this type:

• stabilizes the operation of the compressor and fans,
• contributes to even cabin cooling,
• reduces the risk of overloading air conditioning components,
• supports maintaining thermal comfort inside the vehicle.

Thanks to the correct measurement characteristics, the sensor works with the factory control software, which translates into predictable system behavior in various road conditions.

Original origin and compatibility

The component comes from the Volkswagen line, which means maintaining factory quality and construction standards. The original temperature sensor:

• is geometrically matched to the intended mounting location,
• has the appropriate electrical connector for installation in the Touran 1T,
• maintains compliance with the electrical parameters specified by the manufacturer.

Such a fit reduces the risk of diagnostic errors, fault messages, and problems with air conditioning system calibration after replacement.

Characteristics of the used component

The offered sensor is used, which in practice means a favorable compromise between repair costs and maintaining the original manufacturer's specifications. In the case of this type of electronic component, with proper vehicle operation, the service life is usually high, which is why using a verified used component remains a rational service solution.

Replacing the air conditioning temperature sensor is often recommended in case of:

• improper air conditioning operation (too weak or uneven cooling),
• appearance of errors related to temperature measurement in computer diagnostics,
• system repairs after a collision or interference with the electrical installation.

The importance of choosing the right temperature sensor

Selecting the correct temperature sensor for a specific version of the Touran 1T is crucial for the proper operation of the entire air conditioning system. Using an original component from the Temperature sensors group minimizes the risk of:

• signal incompatibility with controller expectations,
• excessive wear of the compressor and fans,
• decreased driving comfort in high and low ambient temperatures.

A properly selected sensor also supports the vehicle's energy efficiency, as the air conditioning system operates within the optimal load range.

Service expansion and related components

If you are planning a comprehensive repair or upgrade of the air conditioning and ventilation zone in your Volkswagen and need other elements from the same group, such as additional temperature sensors, control elements, or sensors for other thermal circuits, check the available parts in the Volkswagen temperature sensors category.

When working with vehicle temperatures, it is also worth paying attention to the condition of the engine cooling system. The impact of high temperatures on components and the potential for savings when using used components are described in more detail in our guide "Summer heat vs. cooling system: used radiators and fans as a guarantee of savings", which can provide practical supplementary knowledge when planning broader service work.