Range Rover L538 Ford Focus MK1 Outside Temperature Sensor Unit 91AG-10374-BA

Range Rover L538 Ford Focus Exterior Temperature Sensor is a precise component from the Temperature Sensors category, responsible for reliable ambient temperature readings and data transmission to the vehicle's systems. Thanks to its original manufacturer origin from the Land Rover brand, it ensures stable operating parameters and predictable performance in various operating conditions. This is a practical solution for users who want to restore correct temperature indications and proper functioning of related comfort systems.

Specifications and technical data

• SKU: 91AG-10374-BA
• Mark: Land Rover
• Condition: Used
• OEM Part Number: 91AG-10374-BA
• Substitutable numbers: 91AG-10374-BA, 91AG10374BA
• Part type: Sensor
• Category: HVAC Temperature Sensors

Function and Application of the Exterior Temperature Sensor

The exterior temperature sensor in vehicles such as the Range Rover L538 and Ford Focus is responsible for measuring the outside air temperature. This information is used, among other things, by:

• the instrument cluster – to display the current temperature on the driver's display,
• the air conditioning system – to adjust ventilation control algorithms and comfort regulation,
• selected control modules – to optimize the operation of comfort and safety systems.

A functional sensor eliminates incorrect readings, such as extremely high or low values, which translates into more predictable air conditioning operation and clear information for the driver.

Benefits of Using an Original Land Rover Part

Using a component originating from the Land Rover brand allows you to maintain the system's original operating characteristics. In practice, this means:

• appropriate sensitivity and linearity of temperature measurement within the typical operating range,
• correct electrical matching to the vehicle's wiring,
• compatibility with the software of controllers used in the Range Rover L538 and Ford Focus.

Thanks to this, the sensor works with the existing wiring harness and modules without the need for installation modifications, which simplifies installation and reduces the risk of diagnostic errors.

Performance Characteristics and Installation

The offered sensor belongs to the group of consumable parts that may wear out or suffer mechanical damage during vehicle use. Replacement with a functional component restores:

• stable exterior temperature readings on the dashboard,
• correct response of the automatic air conditioning to changes in ambient conditions,
• consistency of data transmitted via the bus to other electronic modules.

Due to its original intended use for specific models, the sensor is prepared for installation in original mounting points, which reduces service time and minimizes the risk of improper component seating.

Product Condition and Selection by Numbers

The element is offered in used condition, allowing for an economical restoration of full functionality to the temperature measurement system while maintaining the original manufacturer's specifications. It is always advisable to verify the sensor selection based on the part number and interchangeable numbers assigned to a specific reference – this will help you avoid compatibility issues in your Range Rover L538 or Ford Focus.

If you want to better understand how to safely choose used electronic components, including sensors, and what to look for when matching by numbers and software, please read our guide: used car electronics – second-hand ECU modules and sensors.

More Land Rover Temperature Sensors

If you are planning comprehensive service for the measurement systems in your vehicle and are also interested in other solutions from the same group of components dedicated to this brand, check out the available parts in the Land Rover Temperature Sensors category.