Ford Kuga C520 Focus ST-3 Mk3 Engine Ignition Start Stop Button F1ET-14C376-AA

Ford Kuga C520 Focus ST-3 Mk3 Engine Ignition Start Stop Button is an original control component from the Switches, controls and ignition locks category, designed for Ford vehicles equipped with a keyless engine start system. It allows for convenient, fast, and repeatable starting and stopping of the engine with a single button, while maintaining factory functionality and interior aesthetics.

Specifications and technical data

• SKU: 1855029
• Mark: Ford
• Condition: Used
• OEM Part Number: 1855029
• Substitutable numbers: 1855029, F1ET-14C376-AA, F1ET14C376AA
• Part type: Push Button
• Category: Switches & Controls

Purpose and function of the Start Stop button

The presented button is a component of the ignition control system in Ford Kuga C520 and Ford Focus ST-3 Mk3 models, working in conjunction with the factory electronic ignition switch system. It is responsible for initiating the start sequence and safely shutting down the engine, integrating with the vehicle's electronics, immobilizer, and comfort modules. By using an original solution, full compatibility with the electrical installation, wiring harness, and controller software is maintained, which reduces the risk of communication errors and malfunctions of the starting system.

Construction and performance features

The Start Stop button is designed as a component mounted in the console or dashboard, with clear function labeling and a distinct tactile response. The design provides for cooperation with factory connectors, which facilitates installation and removal without the need for modifications to the installation. Key features include:

• factory fit for the interior of the Ford Kuga C520 and Focus ST-3 Mk3,
• integration with the electronic ignition switch and vehicle security system,
• ergonomic one-touch operation,
• consistent appearance with other cockpit elements.

Benefits of using an original control component

Choosing an original Start Stop button from the Switches, controls and ignition locks category allows you to maintain predictable ignition system operation and compliance with factory safety parameters. This type of component minimizes the risk of starting problems, error messages on the dashboard, or interference in the operation of electronic systems. The used OEM component is a cost-effective solution that is also technically matched to the specific generation of the vehicle. This allows for efficient replacement of a worn or damaged button without interfering with the electrical harness and without the need for adapters.

Condition and service application

The item is offered as a used part, which in practice means it comes from disassembly and can be used as a replacement during the repair of the starting system or when restoring full functionality of the keyless system. It is a good solution for servicing vehicles that are used intensively, where both technical efficiency and cost optimization are important. The button will prove useful in situations where the existing component shows signs of wear, such as lack of response to pressing, intermittent operation, or mechanical damage to the housing.

Expanding the control system in a Ford

If you are planning a comprehensive repair or upgrade of the ignition control area in your Ford and need other components from the same group, such as function buttons, control modules, or ignition switch elements, check out the available parts in the Ford switches, controls and ignition locks category. When planning broader service work, it is also worth paying attention to the condition of the braking system – a guide describing the selection of used components may be helpful, available in the article Second-hand braking system: how to safely choose discs, calipers, and ABS?, which shows how to consciously choose components from the secondary market in a store like Global Parts.