Citroën Relay III Fiat 500 Front Door Speaker Left Right N/O/S 518936010

Citroën Relay III Fiat 500 Front Door Speaker Left Right N/O/S is a factory-fitted audio system component designed for installation in the front driver or passenger side door. Thanks to its design, which meets the manufacturer's requirements, it ensures stable acoustic parameters and proper compatibility with the factory electrical installation. It is a practical solution for users who want to restore the efficiency of the sound system without costly system modifications.

Specifications and technical data

• SKU: 518936010
• Mark: Citroën
• Condition: Used
• OEM Part Number: 518936010
• Substitutable numbers: 1694817580, 1694817280, 518936010
• Location on the vehicle: Front, Left, Right
• Category: ECUs & Computer Modules

Purpose and compatibility

The presented door speaker is designed to operate in the front of the vehicle, with the possibility of installation on both the left and right sides. This positioning allows for a consistent soundstage in the cabin and an even distribution of the audio signal between the driver and passenger sides. The component belongs to the Electronic control modules and controllers group, meaning it is an integral part of the vehicle's electrical and electronic system, working in conjunction with the factory radio or other audio control unit.

Construction and function in the audio system

The door speaker is responsible for converting the electrical signal from the control unit into an acoustic wave within the frequency range typical for front sound zones. Placement in the door ensures adequate acoustic volume and stable mounting, which translates into reduced resonance and unwanted vibrations. The OEM design allows for:

• maintaining the correct tonal balance between the left and right sides,
• proper cooperation with the factory wiring harness,
• maintaining the original sound characteristics intended by the vehicle manufacturer.

Benefits of using an original speaker

Using a door speaker dedicated to a specific vehicle platform allows you to avoid problems typical of universal replacements, such as electrical or mechanical mismatch. The original design ensures:

• secure mounting fit to the factory mounting points in the door,
• compliance with the vehicle's electrical system parameters,
• no need for upholstery modifications or low-quality adapters.

As a result, replacing a damaged component with this speaker is a technically safe and predictable solution in terms of acoustic effect.

Application in service practice

This type of door speaker is suitable both for standard repairs after a failure and for restoring the full functionality of the factory audio system after previous modifications. It enables the consistency of the installation to be maintained, which is important for electronic system diagnostics and subsequent service work. Choosing a component from the Electronic control modules and controllers group that complies with factory specifications reduces the risk of interference, incorrect readings, or errors in the onboard system.

Condition and performance characteristics

The product is offered as a used item, which allows for an economical restoration of the sound system's efficiency while maintaining the original design specifications. This type of solution is particularly beneficial in vehicles where matching the existing installation and preserving the factory character of the equipment is key. In service practice, used OEM components often represent a reasonable compromise between cost and functionality.

More about used automotive electronics

If you are considering a wider use of aftermarket components in vehicle electronic systems and want to better understand when such a solution is technically justified, it is worth reading our guide: The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?

Related Citroën electronic system components

If you are planning a comprehensive repair or upgrade of the electrical and electronic installation in your Citroën and need other components from the same group, such as controllers, modules, or components managing vehicle system operations, check out the available parts in the Citroen electronic control modules and controllers category.