Land Rover Discovery 3 L320 Window Regulator Electric Front Left N/S CUH500113

Land Rover Discovery 3 L320 Window Regulator Electric Front Left N/S is a precision component from the Window Regulators and Motors group, designed for operating the driver's side window in the popular Discovery 3 model. This used original component ensures proper window guidance geometry, stable mechanism operation, and compatibility with the factory control system.

Specifications and technical data

• SKU: CUH500113
• Mark: Land Rover
• Condition: Used
• OEM Part Number: CUH500113
• Substitutable numbers: CUH500113, 4H2223200DA, 4H22-23200-DA
• Location on the vehicle: Front, Left
• Category: Window Motors & Regulators

Purpose and function in the vehicle

The front left window regulator is responsible for the smooth raising and lowering of the window in the driver's door, working in conjunction with the factory switch and electrical installation. Its placement in the front – left side zone makes it a heavily used component, and its efficiency has a direct impact on daily driving comfort, cabin ventilation, and vehicle usability.

A properly selected regulator eliminates common issues such as window jamming, uneven guidance, or excessive load on the lifting motor. Thanks to the retention of the factory design, installation is predictable, without the need for modifications to mounts or wiring.

Benefits of using an original regulator

Using a component dedicated to the Land Rover Discovery 3 L320 allows for maintaining consistency with the factory door design and window lifting mechanism. The main advantages include:

• Proper fit for the driver's door – compliance with the original geometry of guides and mounting points.
• Stable window operation throughout the full range of motion, without excessive play or stress.
• Reduced risk of damage to seals and glass due to maintaining the correct travel trajectory.
• Ability to use the existing electrical harness and switches without additional adapters.

A used element from this group is often chosen as an economical solution, allowing for the restoration of full window functionality while keeping repair costs reasonable.

Selection, installation, and compatibility

When selecting a window regulator for the Discovery 3 L320, it is crucial to match it to the specific side of the vehicle and body version. This model is intended for installation on the front left side, which should be taken into account when planning service work. In practice, this means:

• installation in the driver's door,
• cooperation with the factory window lifting motor or drive unit from the same group,
• retention of the original cable routing and guides.

Thanks to a design consistent with the vehicle manufacturer's solutions, installation can be carried out using standard workshop procedures, utilizing factory mounting points. This reduces repair time and minimizes the risk of subsequent window alignment issues.

Land Rover Window Regulators and Motors

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 guides, drives, or complete lifting mechanisms, check the available parts in the Land Rover Window Regulators and Motors category.

Used components and repair cost-effectiveness

In the case of elements such as the front left window regulator, choosing a used component often allows for significantly lowering repair costs while maintaining functionality consistent with factory specifications. It is worth following OEM numbers and interchangeable numbers to ensure full compatibility with a specific vehicle version.

If you want to better understand the process of selecting used components by OEM numbers and what the real cost differences are between new and used parts, the expert guide will be helpful: Why it is worth buying used gearboxes and engines – facts instead of myths. Although it mainly concerns powertrains, the principles of cost-effectiveness and verification presented there can also be applied to other used car parts.

Summary

Land Rover Discovery 3 L320 Window Regulator Electric Front Left N/S is a practical solution for users who want to restore the efficient operation of the driver's window while maintaining the factory mechanism design. A used element from the Window Regulators and Motors group represents a reasonable compromise between repair cost and functionality, enabling trouble-free vehicle operation after service.