Ford Focus MK3 Window Regulator Mechanism Rear Right Door O/S BM51-A27000-AC

The Ford Focus MK3 Rear Right Door Window Regulator Mechanism is an original part from the Window Regulators and Motors group, designed for the rear right vehicle window. It ensures precise window guidance and stable cooperation with the control system, contributing to ease of use and proper operation of the entire window opening system.

Specifications and technical data

• SKU: BM51-A27000-AC
• Mark: Ford
• Condition: Used
• OEM Part Number: BM51-A27000-AC
• Substitutable numbers: BM51-A27000-AC, BM51A27000AC, 1769157, 924758-105
• Location on the vehicle: Rear, Right
• Part type: Window Regulator
• Category: Window Motors & Regulators

Application and Fitment for Ford Focus MK3

The presented mechanism has been specifically designed for the third-generation Ford Focus model, taking into account the structural requirements of the rear right door. Its correct placement on the vehicle guarantees proper window guidance in the tracks and correct cooperation with the factory door hardware.

Thanks to a design compliant with the vehicle manufacturer's standards, this component allows for the preservation of the window's factory operating geometry, which reduces the risk of jamming, uneven lifting, or excessive play in the system.

Technical and Functional Characteristics

The regulator mechanism is responsible for transferring power from the control system to the window, ensuring its smooth lifting and lowering. The implemented design solutions are adapted to the loads encountered in rear doors, where stable guidance is important while maintaining compact dimensions of the entire assembly.

Key advantages of this solution include:

• dedicated placement in the rear right part of the vehicle body,
• compatibility with the factory window control system in the Ford Focus MK3,
• preservation of the correct window operating geometry in the tracks,
• possibility of using existing mounting points in the door.

A system configured in this way allows for efficient replacement of a damaged mechanism without the need for door structure modifications or installation adjustments.

Benefits of Using an Original Mechanism

Choosing a part from the Window Regulators and Motors group dedicated to Ford allows for consistency with other system components. Proper fitment for the rear right door reduces installation time and minimizes the risk of operational issues such as noise, uneven operation, or excessive drive load.

A used, original mechanism also offers a sensible compromise between repair cost and maintaining near-factory performance. For many users, it is a practical solution that restores full window functionality without the need to invest in more expensive aftermarket replacements with uncertain fitment.

If you want to better understand why original components are important for the durability and safety of your car's systems, it's worth reading the article on the benefits of used original OEM parts, which discusses this topic in detail.

Installation Area: Rear – Right Side of the Vehicle

The mechanism is intended for installation in the rear right part of the vehicle body, which is crucial for selecting the correct part. Structural differences between the left and right sides, as well as between the vehicle axles, mean that using the wrong regulator can result in improper window operation or inability to install it.

Selecting a component with the correct placement on the vehicle allows for:

• maintaining the correct window position relative to the seals,
• avoiding stress in the mechanism during operation,
• maintaining door seal and interior acoustic comfort.

Ford Window System Expansion – Related Parts

If you are planning a comprehensive repair or upgrade of the side window area in your Ford and need other parts from the same group, such as guides, drives, or complete regulator assemblies, check the available parts in the Ford Window Regulators and Motors category.

Technical Support and Expert Knowledge

Selecting the right components for the window system is important not only for comfort but also for vehicle safety. For more complex repairs or upgrades, it is advisable to use reliable sources of technical knowledge. An example is the guide material dedicated to BMW E90 faulty drive units, which shows how detailed analysis of construction and common faults helps avoid costly service errors – a similar approach should be applied when working with window systems and door equipment.

Summary

The Ford Focus MK3 Rear Right Door Window Regulator Mechanism is a dedicated part from the window control systems group, designed for installation in the rear right part of the vehicle body. Using an original solution allows for restoring proper window operation, maintaining factory fitment, and reducing the risk of future operational problems.