Ford C-Max Focus Rear Window Manual Regulator Right O/S AM51-R27000-A

Ford C-Max Focus Rear Window Manual Regulator Right O/S is an original component from the Window regulators and motors group, designed for operating the rear right window in Ford vehicles. The mechanism ensures stable window guidance and reliable transfer of movement from the crank, which translates into predictable, safe, and comfortable window operation in daily use.

Specifications and technical data

• SKU: AM51-R27000-A
• Mark: Ford
• Condition: Used
• OEM Part Number: AM51-R27000-A
• Substitutable numbers: AM51-R27000-A, AM51R27000A, 1820114, AM51-R27000-AE, AM51R27000AE
• Location on the vehicle: Rear, Right
• Gearbox type: Manual
• Part type: Window Regulator
• Category: Window Motors & Regulators

Purpose and function of the regulator

The presented regulator is dedicated to installation in the rear right part of the body, where it is responsible for the precise raising and lowering of the window. The design works with a manual control mechanism, meaning it does not require the installation of an electric motor or additional electrical wiring. This solution is particularly valued in vehicles used intensively, where simplicity, durability, and ease of maintenance are prioritized. Its placement in the rear area of the cabin means the regulator operates under conditions exposed to vibrations and temperature changes, which is why it is essential to use a component with factory geometry and appropriately selected rigidity. The original nature of the part helps maintain correct window guidance in the tracks and reduces the risk of jamming or uneven movement.

Compatibility with the manual system

The regulator has been designed to work with a manual window control system, which means that the movement generated by the crank is directly transferred to the lifting mechanism. This configuration:

• simplifies the construction of the entire window opening system,
• reduces the number of potential failure points,
• facilitates diagnostics and potential replacement of wear-and-tear parts. By maintaining the factory concept of manual control, the installation of the regulator does not require interference with the electrical system or modification of the door interior, which is beneficial both in technical and economic terms.

Installation and operational characteristics

The regulator is designed for installation in the right rear door, maintaining the original mounting points. This allows for a plug-and-play style installation, using factory holes and mounts in the door panel. A correctly selected component minimizes the risk of stress on the glass and unwanted play in the mechanism. As a used part, the regulator represents a reasonable compromise between cost and functionality. In many cases, it is an effective solution for maintenance repairs when the existing mechanism has become worn, deformed, or mechanically damaged. Using an original regulator allows for maintaining the structural integrity of the door and proper fitment with other elements of the window system.

Benefits of using an original regulator

Using a factory regulator in a Ford C-Max or Ford Focus brings a number of practical advantages:

• compatibility with the door structure – maintaining the correct geometry of window guidance and cooperation with seals,
• stable operation of the mechanism throughout the full range of window movement,
• no need for mounting adaptations or bodywork modifications,
• easier part identification thanks to assignment to a specific category and manufacturer. For users who prefer simple, mechanical solutions, a manual window regulator is a practical choice, allowing the vehicle to be kept in a configuration close to the factory state, without additional control systems. If you are planning a comprehensive repair or upgrade of the window area in your Ford and need other elements from the same group, such as lifting mechanisms, guides, or window drives, check the available parts in the Ford Window regulators and motors category.

Technical support and expert knowledge

When selecting wear-and-tear parts for Ford vehicles, it is worth using reliable sources of information based on OEM data and workshop practice. In the case of systems related to power transmission, an expert guide on used components may be particularly helpful, available in the article Why it is worth buying used gearboxes and engines – facts instead of myths, which discusses, among other things, the principles of selecting parts by catalog numbers and the economic aspects of using dismantled components.