Land Rover Discovery 4 L319 Parking Brake Control Switch AH22-15850-AD

Land Rover Discovery 4 L319 Parking Brake Control Switch is an original component from the Switches, control elements and ignition switches group, designed for operating the electric parking brake in this model. It ensures precise control of the brake mechanism while maintaining factory operating logic and cabin ergonomics.

Specifications and technical data

• SKU: AH22-15K850-AD
• Mark: Land Rover
• Condition: Used
• OEM Part Number: AH22-15850-AD
• Substitutable numbers: LR071958, AH22-15850-AD, AH2215850AD
• Category: Switches & Controls

Function and role of the parking brake switch

The parking brake switch in the Discovery 4 L319 is responsible for transmitting the control signal to the electric brake system. A properly functioning component allows for reliable engagement and release of the parking brake, which is essential for both parking safety and daily vehicle comfort.

Thanks to its factory design, the switch works with the original electrical installation and control modules without the need for wiring or software modifications. This solution is particularly beneficial when servicing vehicles used in demanding conditions, where the braking system is under heavy use.

Construction and fitment for Land Rover Discovery 4 L319

The component has been designed specifically for the interior architecture of the Discovery 4 L319, which ensures a proper fit with the center console and maintains original ergonomics. The shape, mounting points, and electrical connectors comply with factory standards, making installation orderly and predictable.

Such fitment reduces the risk of looseness, incorrect switch positioning, or issues with accessing other control elements in the cabin. For workshops, this means shorter labor time, and for the user – maintaining a consistent interior look and functionality.

Condition, verification, and preparation for installation

The offered switch comes from the used original parts segment, which allows for combining cost-effectiveness with factory specifications. This type of component is particularly attractive for repairs of fleet or off-road vehicles, where a reasonable service budget is important while maintaining appropriate quality.

Before installation, it is recommended to perform a standard check of the electrical system and diagnostics of the parking brake system to rule out additional faults in the wiring, control modules, or brake mechanics. A properly selected and functional switch allows for restoring full functionality of the parking brake operation from the cabin.

Benefits of using an original switch

• Factory fitment for Land Rover Discovery 4 L319 – no need for installation modifications.
• Consistent cooperation with the electric parking brake system and control modules.
• Restoration of original brake operation ergonomics in the vehicle cabin.
• A reasonable service solution for brake system repairs in intensively used vehicles.

Expanding your brake control system service

If you are planning a comprehensive repair or upgrade of the braking zone in your Land Rover and need other components from the same group, such as control buttons, operating modules, or additional switches, check out the available parts in the Land Rover switches, control elements and ignition switches category.

When selecting used brake system components – both control and actuator parts – it is worth following a proven technical condition assessment procedure. Practical tips on the safe selection of elements such as discs, calipers, or ABS systems can be found in the article Second-hand brake system: how to safely choose discs, calipers, and ABS?, which helps organize the decision-making process when purchasing used parts.