Audi A3 8V Interior Air Vent Heater Blower Temperature Sensor 1K0907543E

Audi A3 8V Interior Air Vent Heater Blower Temperature Sensor is an original air conditioning and comfort electronics component responsible for precise cabin temperature measurement. It allows the climate control unit to maintain set conditions stably, which translates into thermal comfort and predictable airflow operation. This used, original Audi component allows you to maintain the factory performance characteristics of the system.

Specifications and technical data

• SKU: 1K0907543E
• Mark: Audi
• Condition: Used
• OEM Part Number: 1K0907543E
• Substitutable numbers: 1K0907543E, 1K0 907 543 E
• Category: Other Air Conditioning & Heating

Function and role of the interior temperature sensor

The interior temperature sensor in the Audi A3 8V works with the climate control module and body electronics, providing real-time data on cabin conditions. Based on this information, the system automatically adjusts airflow intensity, air mixing ratios, and the operation of the air conditioning compressor.

A functional sensor is particularly important when symptoms such as the following occur:

• irregular operation of the automatic air conditioning,
• slow response to changes in the set temperature,
• unpredictable changes in airflow strength.

Replacing it with an original part helps restore stable, repeatable system operation and reduces the need for manual setting adjustments.

Why it is worth using an original Audi component

By using an original Audi interior temperature sensor, you maintain compliance with the vehicle's factory specifications. This means:

• proper cooperation with the factory climate control and comfort module,
• correct measurement characteristics matched to the car's software,
• stable operating parameters across the full range of operating temperatures.

This solution is preferred by both brand-specialized workshops and users who want to avoid compatibility issues associated with aftermarket replacements.

Application in service and diagnostics

This type of component is often replaced during air conditioning and comfort electronics repairs when diagnostics indicate incorrect cabin temperature readings. In service practice, the sensor is considered a component that is relatively easy to replace while having a significant impact on perceived driving comfort.

When selecting parts, it is crucial to match them to the specific equipment version and model year of the Audi A3 8V. Verification by OEM number or interchangeable part numbers helps reduce the risk of installing an incorrect component and speeds up the repair process.

Product condition and benefits of purchasing a used component

The offered sensor comes from the used Audi parts group, which allows for a significant reduction in repair costs compared to purchasing a new OEM component. For many workshops and users, this is a reasonable compromise between price and maintaining the vehicle's original specifications.

Before installation, a standard service procedure is recommended, including checking the electrical installation, connectors, and potentially clearing error codes from the controller's memory after replacing the component. This approach minimizes the risk of re-disassembly and speeds up the completion of the repair.

Part selection and additional technical information

When choosing an interior temperature sensor for the Audi A3 8V, it is worth using identification by OEM part number and available interchangeable numbers. This facilitates matching the component to the specific vehicle configuration, especially if the car has undergone upgrades or comes from a foreign market.

If you are planning a comprehensive repair or upgrade of the electronics and interior equipment area in your Audi and need other elements from the same group, such as control modules, switches, or sensors, check the available parts in the Other Audi category.

For those interested in comparing technical solutions used in different versions of this brand's models, including sports variants, an article discussing the differences in engine, brake, and chassis construction may be helpful – you can find it here: Audi RS vs other models – what is hidden under the hood and chassis?.

If you want to deepen your knowledge on the safe selection of aftermarket components, including verification of markings and matching by numbers, it is worth reading our practical guide: Safe purchase of used car parts online – a step-by-step guide.