Ford Focus Mk4 Tourneo Transit Custom MK2 Front Sun Solar Sensor JX7T-19E663-BC

Visual condition of the part

The product shows signs of use visible in the photos. Ford Focus Mk4 Tourneo Transit Custom MK2 Front Sun Solar Sensor is an original component from the Switches, control elements and ignition switches category, responsible for precise measurement of sunlight in the front part of the vehicle. A properly functioning sensor supports the operation of comfort and control systems, ensuring stable interior conditions and predictable electronic response. This used OEM component is a sensible choice for drivers who want to maintain factory operating parameters of control systems without the need to invest in a new part.

Specifications and technical data

• SKU: JX7T-19E663-BC
• Mark: Ford
• Condition: Used
• OEM Part Number: JX7T-19E663-BC
• Substitutable numbers: JX7T-19E663-BC, JX7T19E663BC, 2358831
• Location on the vehicle: Front
• Category: Switches & Controls

Function and application of the sun sensor

The sun sensor in Ford Focus Mk4, Tourneo, and Transit Custom Mk2 models is responsible for monitoring the intensity of light falling on the front of the vehicle. This information is used by control systems to react appropriately to changing environmental conditions, which translates into stable vehicle comfort. Placement in the front area of the vehicle allows for a reliable reading of sunlight, and thus for consistent operation of the associated control modules. Thanks to this, electronic systems can work in a predictable manner, in accordance with the manufacturer's specifications.

Construction and integration with the control system

The presented sensor is a component integrated with the vehicle's electrical system and works with factory Ford controllers. The design intended for specific models ensures:

• matched mounting geometry in the front part of the body,
• electrical consistency with the wiring harness,
• communication with control systems responsible for comfort and auxiliary functions. By using an original component, compatibility with the factory electronics architecture is maintained, which limits the risk of errors, fault messages, or diagnostic problems.

Benefits of using an original used component

Choosing a used OEM sun sensor for a Ford is a solution that allows you to combine cost control with maintaining the parameters intended by the manufacturer. In practice, this means:

• factory fit for Ford Focus Mk4, Tourneo, and Transit Custom Mk2 models,
• no need for modifications to the installation or mounts,
• easier diagnostics based on standard service procedures. The original component from the Switches, control elements and ignition switches category allows you to maintain the consistency of the entire control system, which is especially important in modern vehicles with extensive electronics.

Selecting parts by numbers and parameters

When selecting a sun sensor, it is crucial to compare the manufacturer's markings and interchangeable numbers with the vehicle data. The product's technical specification contains information such as the OEM part number, interchangeable numbers, and SKU, which facilitates verification of compatibility with a specific Ford version. In case of doubt, it is worth using data from the catalog or service documentation to avoid installing an incorrect element. If you are planning a comprehensive repair or upgrade of the control and electronics area in your Ford and need other elements from the same group, such as sensors, switches, or control modules, check the available parts in the Ford Switches, control elements and ignition switches category.

Component condition and practical installation tips

The offered sun sensor is a used component, which in practice means that it comes from disassembly and has been verified for suitability for further use. These types of components are frequently chosen by workshops and individual users who are looking for a reasonable compromise between cost and maintaining factory functionality. During installation, it is worth paying attention to:

• correct seating of the sensor in the front part of the vehicle,
• precise connection of the electrical connector without straining the harness,
• checking for any errors in the controller memory after installation.

Expert support and additional materials

When working with original used control components, expert materials regarding diagnostics and assessing the condition of OEM parts can be helpful. In the context of selecting and operating used elements, it is worth reading the guide on our blog: Loud exhaust operation – when is it worth replacing the muffler and other exhaust system components with original used parts?. Although it concerns a different group of subassemblies, it shows an approach to the conscious choice of used original parts, which can also be applied to control elements and sensors in Ford vehicles.