Land Rover Discovery 3 L319 Rear Window Regulator Motor Left N/S CVH500030

Land Rover Discovery 3 L319 Rear Window Regulator Motor Left N/S is an original component from the Window regulators and motors group, designed for installation on the rear passenger side. It ensures the proper operation of the window lifting and lowering mechanism, restoring full functionality to the rear door area of your Discovery 3. This is a solution for users who expect a proven design tailored to the specifics of the L319 body.

Specifications and technical data

• SKU: CVH500030
• Mark: Land Rover
• Condition: Used
• OEM Part Number: CVH500030
• Substitutable numbers: CVH500030
• Location on the vehicle: Rear, Left
• Part type: Regulator & Motor Assembly
• Category: Window Motors & Regulators

Purpose and function in the vehicle

The presented motor operates in the rear left part of the body, responsible for driving the window regulator mechanism. Its task is to stably transfer torque to the guides and cables so that the window moves smoothly across its full range. A properly selected component of this type reduces the risk of jamming, uneven movement, and electrical system overloads.

Thanks to its dedicated design for the Land Rover Discovery 3 L319, the motor works with the factory window controls, maintaining the correct operating speed, direction of rotation, and response to signals from the door switches and the driver's panel.

Construction and technical fitment

The window regulator motor in this model is integrated with a gearbox, which enables compact installation inside the door. The design intended for the rear left side of the body accounts for:

• appropriate placement of mounting points relative to the door panel,
• an electrical connector matched to the Discovery 3 wiring harness,
• operating direction consistent with the geometry of the window guides on the rear passenger side.

Such fitment facilitates installation and allows for maintaining factory cable routing and covers, without the need for system modifications.

Benefits of using an original motor

Using an original window regulator motor in a Land Rover Discovery 3 L319 brings measurable operational benefits. A component designed specifically for this model ensures:

• stable window operation across the full range of motion, without jerking or unwanted play,
• proper cooperation with factory electrical safety features,
• preservation of the original operating characteristics of the comfort system in the rear of the cabin.

A used component of this type is a good choice for repairs where structural compliance with the original and the possibility of an economical replacement of a worn or damaged drive are important.

Practical installation tips

When replacing the window regulator motor in a Discovery 3 L319, it is worth paying attention to the condition of the guides, cables, and window seals. Correct positioning of the window in the guides and checking for movement resistance reduces the load on the new drive and extends its service life. It is also recommended to check the electrical harness in the door for chafing and the quality of the ground and power supply to avoid voltage drops that affect motor operation.

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 window drives, complete mechanisms, or control modules, check the available parts in the Land Rover Window regulators and motors category.

Technical support and additional knowledge

When working on electrical and drive systems in premium class cars, such as Land Rover or BMW, knowledge of typical faults and diagnostic methods is useful. In the context of planning a vehicle service budget, it is worth familiarizing yourself with materials regarding the failure rates of power units, e.g., in popular premium segment models. Practical information on this topic can be found in the article BMW E90 faulty engines: check what can ruin your budget!, which helps to better assess operating costs and plan repairs.