Land Rover Discovery 3 L319 Head Air Module Roof Curtain Right O/S EHM500520

Land Rover Discovery 3 L319 Head Air Module Roof Curtain Right O/S is an original passive safety system component designed for installation on the right side of the vehicle body. Specifically engineered for the Discovery 3 L319 architecture, it ensures consistency with the factory body structure and proper interaction with other airbag system components. As a result, it provides a functional service solution for post-accident repairs or the replacement of a damaged module.

Specifications and technical data

• SKU: EHM500520
• Mark: Land Rover
• Condition: Used
• OEM Part Number: EHM500520
• Substitutable numbers: EHM500520, 5H22-14B342-EA, 5H2214B342EA
• Location on the vehicle: Right
• Category: Other Interior Parts & Accessories

Purpose and function in the vehicle

The presented roof curtain module is dedicated to the Land Rover Discovery 3 L319 model and operates as part of the passenger-side airbag system. Its placement on the right side of the vehicle body allows for the protection of the head and upper body of occupants seated on that side, in accordance with the manufacturer's design specifications.

This component works with the factory electrical harness and the SRS system controller, which enables the maintenance of original deployment parameters in the event of a side collision or rollover. Using the correct module on the appropriate side of the vehicle is crucial for maintaining the proper deployment geometry of the curtain and ensuring protection effectiveness.

Compatibility and fitment

The module was developed as part of the original Discovery 3 safety architecture, ensuring it fits factory mounting points in the headliner and pillars on the right side. The manufacturer's design minimizes the risk of installation stress, leaks, or improper routing of the component along the roof edge.

Proper fitment for the specific model and side of the vehicle reduces the need for modifications, which is particularly important for safety system components where compliance with factory design standards is required.

Operational and service characteristics

As a passive safety component, the right-side roof curtain module is intended for service applications in vehicles following bodywork repairs or SRS system deployment. Using this component allows for an economical vehicle restoration while maintaining the original design specifications.

In workshop practice, the installation of this type of component requires adherence to manufacturer procedures, including proper routing of the module along the roof and correct seating in the mounting points. Thanks to the factory design, installation time is predictable, and the risk of fitment issues is minimized.

Application in post-accident repairs

The right-side roof curtain module is primarily used for:

• repairing vehicles after side collisions,
• restoring the roof and pillar zone on the passenger side,
• servicing the airbag system after curtain deployment,
• restoring full functionality of the passive safety system.

Selecting the correct component for the appropriate side of the vehicle is essential both from a safety perspective and for compliance with technical inspection requirements and manufacturer standards.

Offer expansion and technical content

If you are planning a comprehensive repair or upgrade of the safety zone in your Land Rover and need other elements from the same group, such as airbag modules, crash sensors, or SRS system harnesses, check out the available parts in the Other Land Rover category.

For a comparison of design solutions used by different brands and a better understanding of the differences in drivetrain and braking system construction, you can read an article discussing the sports versions of one manufacturer – details can be found in the material Audi RS vs other models – what is hidden under the hood and chassis?, which shows how design changes affect the selection of appropriate spare parts.