Ford Mondeo Mk4 Window Lifter Regulator Motor Rear Left N/S 7S71-A27001-BJ

Ford Mondeo Mk4 Window Lifter Regulator Motor Rear Left N/S is a factory-original component from the Window regulators and motors group, designed for operating the rear left window. The integrated electric drive ensures stable window operation, and the design, compliant with Ford standards, allows for direct installation in the corresponding version of the Mondeo Mk4.

Specifications and technical data

• SKU: 7S71-A27001-BJ
• Mark: Ford
• Condition: Used
• OEM Part Number: 7S71-A27001-BJ
• Substitutable numbers: 7S71-A27001-BJ, 7S71A27001BJ, 1803932, 7S71-A27001-BS, 7S71A27001BS
• Location on the vehicle: Rear, Left
• Part type: Window Regulator
• Category: Window Motors & Regulators

Purpose and function in the vehicle

The window lifter with motor is responsible for precisely raising and lowering the rear left window, maintaining the correct glass guidance geometry. Its placement on the vehicle in the rear left zone allows for the restoration of full window control functionality after a failure of the factory mechanism or damage resulting from wear and tear.

Thanks to the use of a complete assembly with an electric drive, the component works with the factory window controls in the Ford Mondeo Mk4 without the need for additional modifications to the installation or mounts.

Construction and technical advantages

The lifter is a combination of the window guide mechanism and an electric motor, which minimizes the risk of component mismatch. The use of the original Ford design promotes proper fitment within the door, reduces stress on the guides, and lowers noise during window operation.

Key technical benefits include:

• maintaining the correct geometry of window movement in the door plane,
• compatibility with factory electric controls,
• integrated drive, facilitating installation and diagnostics,
• proper fit for the rear left side of the body.

Characteristics of the used component

The offered lifter is a used part, sourced from dismantling, which allows for maintaining the original Ford specification at a more favorable cost compared to a new replacement. This type of solution is particularly beneficial for maintenance repairs when the priority is to maintain the factory standard of window operation.

Choosing an original, used component from the Window regulators and motors group reduces the risk of fitment issues typical of cheaper replacements with universal designs.

Installation and fitment for Ford Mondeo Mk4

The lifter has been designed to work in a specific body model and on a specific side of the vehicle, which facilitates installation in place of the factory mechanism. With proper selection based on the car version, it is possible to use existing mounting points and the standard electrical harness.

To ensure full compatibility, it is recommended to verify the part by OEM number or interchangeable numbers and compare the construction with the element removed from the vehicle. Such an approach minimizes the risk of having to remove the door upholstery again and shortens repair time.

Part selection by numbers and practical tips

When choosing a window lifter with motor for the Ford Mondeo Mk4, it is crucial to match it by OEM part number and interchangeable numbers, as well as to consider the placement on the vehicle. In case of doubt, it is worth using the VIN and comparing the mounting construction with the currently installed mechanism.

More practical information on how to safely buy used drive components and how to interpret OEM markings can be found in the guide Why it is worth buying used gearboxes and engines – facts instead of myths, which discusses procedures for selecting parts by numbers and presents real examples of savings.

If you are planning a comprehensive repair or upgrade of the door and window area in your Ford and need other elements from the same group, such as guides, lifting mechanisms, or electric drives, check the available parts in the Ford window regulators and motors category.