Ford Transit Custom Rear ABS Sensor Anti Lock Left Right N/O/S BK21-2B372-BD

Ford Transit Custom Rear ABS Sensor Anti Lock Left Right is a safety system component responsible for precise reading of the rotational speed of the rear axle wheels. A properly selected sensor ensures stable operation of the ABS system, improves traction control, and supports the performance of electronic driver assistance systems. This solution is designed for users who expect consistent cooperation with factory electronics and predictable vehicle behavior during braking.

Specifications and technical data

• SKU: BK21-2B372-BD
• Mark: Ford
• Condition: Used
• OEM Part Number: BK21-2B372-BD
• Substitutable numbers: BK21-2B372-BD, BK212B372BD, 1771171
• Location on the vehicle: Rear, Right, Left
• Category: Other Brake Parts

Purpose and vehicle placement

The presented ABS sensor is designed for installation on the rear axle of the vehicle, with the possibility of application on both the left and right sides. This solution facilitates part selection and allows for symmetrical replacement of components on both sides, which is beneficial when servicing the entire axle. Its placement in the wheel area means the sensor operates in demanding conditions, which is why its correct selection has a direct impact on the stability of the braking system.

Function in the ABS system

The ABS sensor is responsible for generating a wheel speed signal, which is then sent to the brake system controller. Based on this data, the vehicle's electronics regulate pressure in the brake circuits, limiting wheel lock-up during intense braking. A functional component of this type:

• supports maintaining the direction of travel during sudden braking,
• improves the efficiency of the ABS system on surfaces with variable grip,
• ensures stable cooperation with related systems, such as traction control or electronic stability control (if present in the vehicle).

Thanks to this, the Ford Transit Custom Rear ABS Sensor Anti Lock Left Right is an important element affecting the safety of daily operation of a commercial vehicle.

Compatibility and identification parameters

The offered sensor is a part intended for Ford vehicles, maintaining compliance with factory ABS system requirements. The component has a dedicated OEM part number and associated interchangeable numbers, which facilitates unambiguous identification in service catalogs and part selection systems. This allows for precise verification of compatibility with a specific version of the Ford Transit Custom, minimizing the risk of installing an incorrect component.

Performance characteristics and condition

The sensor comes from a group of used components, which allows for an economical restoration of the ABS system's efficiency while maintaining correct operating parameters. This type of solution is particularly beneficial in vehicles used intensively, where a reasonable repair cost is important while maintaining functionality. A component from an original Ford application promotes proper mounting fitment and compatibility with the electrical harness and controller.

Service application and part selection

It is worth replacing the rear axle ABS sensor in situations where ABS system errors, a warning light on the dashboard, or uneven braking system operation occur. When selecting, it is recommended to:

• check the OEM part number and interchangeable numbers in the vehicle documentation,
• verify the placement on the vehicle (rear, left/right side),
• compare the connector shape and cable length with the currently installed component.

Such an approach allows for an informed component replacement and reduces vehicle downtime in the workshop.

Related categories and technical materials

If you are planning a comprehensive repair or upgrade of the chassis and suspension area in your Ford and need other elements from the same group, such as sensors, harnesses, or additional electronic modules, check the available parts in the Other Ford category.

For those interested in comparing technical solutions in higher-performance cars, including the design of braking and chassis systems, an article describing the differences between sports versions and standard ones may be helpful – especially in the context of ABS system operation and accompanying systems. More information can be found in the material Audi RS vs other models – what is hidden under the hood and chassis?.