Ford Focus St-3 Mk2 Rear Door Speaker Loudspeaker Left Right N/O/S 4M5T18808FA

Ford Focus St-3 Mk2 Rear Door Speaker Loudspeaker Left Right is an original audio equipment component designed for installation in the rear doors of the sporty Focus ST-3 version. Thanks to its factory-fit design for this specific Ford model, it ensures compatibility with the electrical system and seamless integration into the door trim. It is a practical solution for replacing a damaged speaker or restoring the full functionality of the sound system.

Specifications and technical data

• SKU: 4M5T18808FA
• Mark: Ford
• Condition: Used
• OEM Part Number: 4M5T18808FA
• Substitutable numbers: 4M5T18808FA, 4M5T-18808-FA, 1520971
• Location on the vehicle: Rear, Right, Left
• Category: Door Panels

Purpose and fitment for Ford Focus ST-3 Mk2

The presented speaker is designed as a component of the factory audio system in the second-generation Ford Focus ST-3. The construction is intended for installation in the rear doors on either the left or right side, which facilitates the selection of the correct component during post-collision repairs or the replacement of worn-out parts. By utilizing original mounting geometry and properly matched impedance and performance characteristics, the speaker works with the stock radio and amplifier without the need for electrical system modifications. This solution allows for maintaining the factory acoustic parameters of the interior and the stable operation of the entire sound system.

Function in the sound system and benefits of installation

The rear door speaker in the Focus ST-3 is responsible for the even distribution of the soundstage in the cabin, improving the acoustic comfort for rear-seat passengers. Replacing a worn or damaged element with an original component allows you to:

• restore full sound clarity in the mid and high-frequency ranges,
• reduce distortion resulting from a damaged speaker cone,
• maintain sound consistency between the front and rear of the vehicle,
• avoid electrical mismatch issues typical of universal aftermarket replacements. By using an original Ford rear door speaker, you preserve the factory characteristics of the audio system, which is particularly important in the ST-3 version, where acoustic comfort is a significant part of the equipment.

Vehicle placement and installation aspects

The item is intended for installation in the rear part of the vehicle, on both the driver's and passenger's side. This solution allows the same type of speaker to be used on both sides, which simplifies the service process and reduces the number of different part references in the vehicle. The original design of the mounts and the electrical connector allows for installation in the standard points provided by the manufacturer. In practice, this means:

• no need to modify the electrical wiring harness,
• secure seating in the door structure, minimizing unwanted resonance,
• maintaining the integrity of the door upholstery and the factory look of the interior.

Characteristics of the used product

The offered speaker comes from dismantling, which allows you to combine a favorable purchase cost with the preservation of the manufacturer's original specifications. For many users, this is a reasonable compromise between quality and budget, especially during comprehensive interior repairs or restoring the car to its pre-damage condition. Choosing a used component from the Door Upholstery group is also a solution that supports the reuse of functional parts, which is significant both economically and environmentally.

Expanding door zone upgrades in your Ford

If you are planning a comprehensive repair or upgrade of the door zone in your Ford and need other elements from the same group, such as trim panels, door pockets, or speaker grilles, check out the available parts in the Ford Door Upholstery category. If you want to better understand how using components from dismantling affects service costs and the environment, check out the article Circular economy in your garage – how choosing used parts from dismantling really supports environmental protection and your wallet?, which discusses the practical aspects of using used parts in modern cars.