Ford Focus Mk3 Rear Tail Light Lamp Wiring Plug Socket Right O/S BM51-13404-AK

Ford Focus Mk3 Rear Tail Light Lamp Wiring Plug Socket Right O/S is an original electrical installation component designed to support the right rear tail light in the third-generation Ford Focus. Thanks to the factory connector geometry and matched wire length, it ensures a stable electrical connection and proper lighting operation. This used OEM component is a sensible choice for repairs where compatibility, safety, and secure fitment to the body harness are essential.

Specifications and technical data

• SKU: 1825318-1
• Mark: Ford
• Condition: Used
• OEM Part Number: 1825318
• Substitutable numbers: 1825318, BM51-13404-AK, BM5113404AK
• Location on the vehicle: Rear, Right
• Part type: Wire Harness
• Category: Wiring Harnesses, Cables & Connectors

Purpose and function in the vehicle

The presented wiring harness is dedicated to the rear right corner area of the body, where it is responsible for powering and controlling the tail light. It includes wires that carry signals to individual lighting circuits, such as position lights, brake lights, or turn signals, in accordance with the factory electrical layout of the Ford Focus Mk3. This ensures proper communication with control modules and compliance with original installation diagrams.

Construction and installation fitment

The wiring harness is designed as an OEM component, which means that the placement of connectors, wire cross-sections, and routing are consistent with the factory body construction. This facilitates installation in original mounting points without the need for modifications, soldering, or creating additional cable sections. The connectors used are prepared for compatibility with the right-side tail light, which minimizes the risk of assembly errors and ensures consistency with the existing electrical installation.

Benefits of using an original wiring harness

Using a factory wiring harness in the rear lighting area translates into a number of practical advantages:

• maintaining compliance with Ford service documentation and electrical diagrams,
• secure plug connections, reducing the risk of circuit breaks or unstable lamp operation,
• no need for interference with the vehicle's main installation,
• easier diagnostics of potential faults in the future. For the user, this means a more predictable repair process and increased reliability of the rear lighting system in daily operation.

Product characteristics and service application

As an item in the Wires, harnesses, and connectors category, this wiring harness is intended primarily for service applications and post-accident repairs, as well as for fixing faults resulting from mechanical damage or contact corrosion. The used OEM component allows for maintaining the original installation architecture, which is particularly important in vehicles equipped with extensive light control systems. Choosing such a solution is beneficial both from a technical and economic perspective. If you are planning a comprehensive repair or upgrade of the rear lighting zone in your Ford and need other elements from the same group, such as additional harnesses, wire sections, or compatible connectors, check out the available parts in the Ford wires, harnesses, and connectors category.

Part selection and support

When selecting a harness for a specific body version and equipment level, it is important to pay attention to compatibility with the installation used factory-wide in the given vehicle. In case of doubt, it is worth comparing the connector layout and wire routing with the component currently installed in the car. For those considering different repair strategies – between new and used components – it may be helpful to compare the costs and durability of individual solutions, available in the article New or used? A comparison of costs and quality of car parts.