Land Rover Discovery L550 Window Regulator Rear Right O/S FK72-27000-AF

Land Rover Discovery L550 Window Regulator Rear Right O/S is an original component from the Window Regulators and Motors group, designed for operating the rear right window in the Discovery L550 body. This used window regulator ensures factory-fit, correct window guidance geometry, and stable mechanism operation during daily use.

Specifications and technical data

• SKU: FK72-27000-AF
• Mark: Land Rover
• Condition: Used
• OEM Part Number: FK72-27000-AF
• Substitutable numbers: FK72-27000-AF, FK7227000AF
• Location on the vehicle: Rear, Right
• Part type: Window Regulator
• Category: Window Motors & Regulators

Purpose and function in the vehicle

The rear right window regulator in the Land Rover Discovery L550 is responsible for precise raising and lowering of the window in the rear passenger-side door. A correctly selected component guarantees:

• smooth window movement without jamming or play,
• proper window sealing against the weatherstrips,
• stable window guidance in the tracks,
• correct compatibility with the factory electric control system. Thanks to the preservation of the original mounting design, the regulator is perfectly matched to the rear right side of the body, which facilitates service and reduces the risk of improper door component alignment.

Benefits of using an original window regulator

Using an original window regulator in the Discovery L550 allows you to maintain the consistency of the window system with the manufacturer's factory specifications. In practice, this means:

• maintaining the appropriate window operating speed,
• lower load on the electrical system and window controller,
• noise reduction during mechanism operation,
• lower risk of window damage resulting from improper guidance. A used OEM component is also a reasonable compromise between repair costs and maintaining factory-quality fitment, which is particularly important in Land Rover class vehicles.

Vehicle placement and mounting aspects

The presented regulator is designed for installation in the rear right door, which eliminates the need for modifications or adaptations. Proper placement on the vehicle facilitates the mechanic's work, and the preserved original mounting geometry allows for:

• trouble-free power transmission to the window,
• correct setting of the window's end positions,
• maintaining tightness and proper window pressure against the seals. When replacing, it is recommended to check the condition of the guides and seals, as well as to verify the operation of the control motor, so that the entire window system operates evenly and without interference.

Land Rover Window Regulators and Motors – expansion and service

If you are planning a comprehensive repair or upgrade of the door and window area in your Land Rover and need other elements from the same group, such as lifting mechanisms, electric drives, or complete guide assemblies, check the available parts in the Land Rover Window Regulators and Motors category.

Why consider used OEM components

In the case of components such as window regulators, choosing a used OEM component is often a cost-effective solution while maintaining high build quality. It is worth learning the broader context of selecting used sub-assemblies, verification procedures, and repair cost-effectiveness. A detailed discussion of these issues can be found in the guide Why it is worth buying used gearboxes and engines – facts instead of myths, which shows how to consciously approach the purchase of used mechanical and electrical parts for a car.

Summary

Land Rover Discovery L550 Window Regulator Rear Right O/S is a practical solution for users who want to restore full functionality to the rear right window while maintaining the original vehicle design. A properly selected and correctly installed regulator supports user comfort, body tightness, and correct cooperation with the factory window control system in your Land Rover Discovery L550.