Ford Focus St-2 Mk2 Sony MP3 CD Player Radio Head Unit 4M5T-18C815-BK

Ford Focus St-2 Mk2 Sony MP3 CD Player Radio Head Unit is a factory multimedia solution from the Electronic control modules and controllers group, designed specifically for integration with the Ford electrical system. It offers a design that is consistent with the dashboard, stable operation, and convenient control of the vehicle's audio functions. It is a practical choice for users who want to restore full audio system functionality or maintain the original character of the interior.

Specifications and technical data

• SKU: 4M5T-18C815-BK
• Mark: Ford
• Condition: Used
• OEM Part Number: 4M5T-18C815-BK
• Substitutable numbers: 4M5T-18C815-BK, 4M5T18C815BK, 1700624, 4M5T-18C815-BL, 4M5T18C815BL
• Category: ECUs & Computer Modules

Characteristics and purpose of the radio

The presented Ford Focus St-2 Mk2 Sony MP3 CD Player Radio Head Unit was developed as part of the factory equipment for Ford, ensuring a perfect fit for the electrical installation and cockpit ergonomics. As a part from the Electronic control modules and controllers category, it works with other vehicle systems, such as power supply, backlighting, and dashboard controls. Using an original module allows you to avoid problems typical of universal replacements, such as mismatched connectors or incompatible communication protocols.

Sony audio system functionality

The Ford Focus St-2 Mk2 Sony MP3 CD Player Radio Head Unit allows for playing CDs and MP3 files, which significantly increases the convenience of daily use. Integration with the factory sound system ensures consistent sound quality and stable volume levels, and the control layout is designed for intuitive operation while driving. The module works with the vehicle's installation as intended by the manufacturer, which facilitates diagnostics and potential configuration using standard service tools.

Benefits of using an original module

Using an original Sony radio in the Ford Focus St-2 Mk2 brings a number of practical advantages:

• maintaining the factory look of the center console and the stylistic consistency of the interior,
• reliable integration with the electrical installation and other electronic modules,
• no need for wiring modifications, adapters, or additional connectors,
• easier diagnostics if vehicle electronics service is required. As a used item, the module represents a reasonable compromise between cost and functionality, allowing you to restore the audio system's performance without investing in expensive aftermarket solutions.

Condition, verification, and fitment

The offered unit comes from the secondary market, which in practice means it is a part with confirmed origin, intended for reinstallation. Before purchasing, it is worth verifying compatibility with the specific vehicle equipment version using the OEM part number and available replacement numbers visible in the technical specification. This approach minimizes the risk of incompatibility and facilitates the selection of the correct module for a given car. For users who want to deepen their knowledge about selecting and installing used electronic modules, the Global Parts guide will be useful: Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?. The article discusses, among other things, selection by OEM number, compatibility issues, and practical installation tips.

Expanding the electronics system in your Ford

If you are planning a comprehensive repair or upgrade of the onboard electronics in your Ford and need other elements from the same group, such as comfort controllers, body modules, or equipment management systems, check the available parts in the Ford electronic control modules and controllers category. Additionally, if you are interested in an approach that combines improving the car's functionality with reducing environmental impact, it is worth reading the material: Eco-tuning in practice: how to increase performance while reducing your carbon footprint with recycled parts, which shows how to consciously use used components.