Ford Focus Mk2 C-Max Yaw Rate Rotation Acceleration Sensor ESP 3M51-3C187-EA

Ford Focus Mk2 C-Max Yaw Rate Rotation Acceleration Sensor ESP is a specialized component of the electronic stability program, classified within the Transmission sensors category. It is responsible for the precise measurement of acceleration and rotational movement of the vehicle body, allowing the ESP controller to effectively manage traction and vehicle stability. This used, original Ford component is a sensible choice for professional safety system repairs.

Specifications and technical data

• SKU: 3M51-3C187-EA
• Mark: Ford
• Condition: Used
• OEM Part Number: 3M51-3C187-EA
• Substitutable numbers: 3M51-3C187-EA, 3M513C187EA, 1456990
• Category: Transmission Sensors

The role of the ESP yaw rate acceleration sensor in the drivetrain

The ESP yaw rate acceleration sensor in the Ford Focus Mk2 and C-Max works in conjunction with the stability control module, the ABS system, and drivetrain control elements. Based on signals from the sensor, the controller compares the actual vehicle movement with the intended driving direction and, if necessary, corrects the operation of the braking and drivetrain systems. Its location within the drivetrain assembly and its connection to Transmission sensors means that this component is significant for both driving stability and the smoothness of power transmission. A properly functioning sensor reduces the risk of skidding, improves the predictability of the car's behavior, and supports the operation of active safety systems.

Benefits of using an original Ford sensor

Choosing an original Ford sensor ensures the maintenance of factory operating parameters for the ESP system. The component has been designed for the specific characteristics of the Focus Mk2 and C-Max, which means it:

• provides stable, repeatable measurement signals for the ESP controller,
• maintains correct cooperation with other sensors within the transmission and drivetrain,
• minimizes the risk of communication errors and warning lights appearing on the instrument cluster,
• allows for the preservation of the factory operating algorithms of the stability control system. By using a used, original component, it is often possible to reduce repair costs while maintaining consistency of parameters with the factory vehicle configuration.

Selection and installation in the vehicle

When selecting an ESP yaw rate acceleration sensor for a Ford Focus Mk2 or C-Max, it is crucial to match it to the specific equipment version and the drivetrain system used. In practice, this means verifying part markings and compatibility with the vehicle's factory configuration. The installation itself requires maintaining the correct orientation of the sensor relative to the body and proper connection to the electrical system. After replacement, it is recommended to perform computer diagnostics, clear stored errors, and verify the ESP system's operating parameters during a test drive. Careful installation allows you to fully utilize the measurement accuracy of the sensor and restore the proper functioning of the stability system.

Component condition and practical application

The offered sensor is in used condition, which, in the case of original Ford components, allows for combining an attractive cost with the preservation of factory manufacturing quality. This type of solution is particularly beneficial for repairs of vehicles used intensively, where both reliability and service economy are important. In situations where an ESP yaw rate acceleration sensor failure accompanies problems with the manual transmission or drivetrain operation, it is worth analyzing the entire system. The following guide may be helpful: Manual transmission failures in cars – why is an original used part a more sensible choice than regeneration?, which discusses the practical aspects of selecting original used components.

Expanding service within the Ford drivetrain

If you are planning a comprehensive repair or upgrade of the drivetrain area in your Ford and need other elements from the same group, such as additional sensors, measurement modules, or components working with the transmission, check the available parts in the Ford transmission sensors category.