Range Rover Sport L494 Window Lifter Regulator Rear Left N/S DK62-27001-AG

Range Rover Sport L494 Window Lifter Regulator Rear Left N/S is an original component from the Window regulators and motors group, designed for precise operation of the window in the rear left part of the vehicle body. It ensures stable window guidance, proper cooperation with the vehicle's electrical system, and maintains the factory functionality of the window opening system. By adhering to the manufacturer's specifications, this is a particularly beneficial solution for repairs following a window regulator mechanism failure.

Specifications and technical data

• SKU: LR078871
• Mark: Range Rover
• Condition: Used
• OEM Part Number: LR078871
• Substitutable numbers: DK62-27001-AG, DK6227001AG, LR078871
• Location on the vehicle: Rear, Left
• Part type: Window Regulator
• Category: Window Motors & Regulators

Purpose and function in the vehicle

The rear left window regulator in the Range Rover Sport L494 is responsible for smooth and controlled raising and lowering of the window in the rear part of the body on the driver's side. The component works with the factory window control switch and the vehicle's electrical system, maintaining the correct geometry of the window movement in the guides.

The placement in the rear left zone allows for a precise fit to the door without the need for bodywork modifications or mounting adaptations. Using the original design minimizes the risk of noise, jamming, and uneven window operation after repair.

Benefits of using an original window regulator

Using a window regulator dedicated to the Range Rover Sport L494 brings a number of practical technical benefits:

• Maintaining factory operating characteristics – window movement speed and smoothness consistent with the manufacturer's specifications.
• Proper fit for the rear left door – no need to modify mounts and guides.
• Compatibility with the original control motor from the Window regulators and motors group.
• Reduction of the risk of electrical system overloads due to compliant operating parameters.

A used OEM component is also a reasonable compromise between repair cost and quality, especially in the case of premium vehicles, where low-quality replacements can cause further malfunctions.

Scope of application and part selection

The regulator has been designed specifically for the rear left door structure of the Range Rover Sport L494, which means it takes into account the characteristic shape of the panel, the arrangement of mounting points, and the routing of electrical harnesses. As a result, installation is straightforward, and the component works with factory seals and the window without additional adjustments beyond the standard service procedure.

When selecting parts, it is worth paying attention to compliance with manufacturer markings and interchangeable numbers – this helps avoid installation problems and ensures full functionality after replacement. In case of doubt, the selection can be based on vehicle data, such as model, generation, and body configuration.

Condition, installation, and operation

The item is offered as a used part, which in practice means it comes from disassembly and has been verified for suitability for further use. This type of solution is particularly attractive for repairs of several-year-old vehicles, where it is crucial to maintain reasonable service costs while preserving the original design.

During installation, it is recommended to:

• check the condition of the window guides and door seals,
• verify the correct operation of the electrical system controlling the windows,
• perform a functional test after reassembling the door upholstery.

A properly installed regulator ensures stable window operation throughout the full range of movement, without excessive play or unwanted noises while driving.

Range Rover window regulators and motors – expansion and service

If you are planning a comprehensive repair or upgrade of the door and window zone in your Range Rover and need other elements from the same group, such as window lifting mechanisms, control motors, or complete guide assemblies, check the available parts in the Range Rover window regulators and motors category.

Technical support and selection of used components

When choosing used elements from the mechanisms and drives group, it is worth relying on proven selection procedures based on manufacturer markings and technical parameters. A detailed discussion of the approach to purchasing used drive components, along with cost analysis and practical examples, can be found in the article Why it is worth buying used gearboxes and engines – facts instead of myths, which helps in making informed decisions also in the case of other key vehicle components.