Ford Fiesta Mk8 Puma Alarm Siren Horn Signal Module Assy H1BT-19N217-AB

Ford Fiesta Mk8 Puma Alarm Siren Horn Signal Module Assy is an original component from the Horns group, designed to work with the factory security system of Ford vehicles. This used component ensures the correct alarm signal sound and compatibility with the vehicle's electrical system, facilitating service and replacement in cars of this brand. It is a practical solution for users who want to restore proper alarm functionality without interfering with the vehicle's factory architecture.

Specifications and technical data

• SKU: H1BT-19N217-AB
• Mark: Ford
• Condition: Used
• OEM Part Number: H1BT-19N217-AB
• Substitutable numbers: H1BT-19N217-AB, H1BT19N217AB, 2545378
• Part type: Electric Horn
• Category: Horns

Purpose and function of the alarm siren

The alarm siren in Ford Fiesta Mk8 and Ford Puma models is responsible for generating an acoustic warning signal upon detection of a vehicle security breach. This component works with the alarm module and the electrical system, emitting a characteristic sound with the appropriate volume and frequency. As a result, the vehicle is better protected against unauthorized access, and the surrounding reaction to a break-in attempt is faster. The offered siren speaker is a factory Ford component, which means it maintains the correct operating parameters, fits the wiring harness, and works correctly with the vehicle's electronics. The used component allows for an economical yet technically consistent repair of the alarm system.

Construction and characteristics of the component

The alarm siren is an integrated speaker designed for installation in the body compartment, in the location provided by the manufacturer. The housing design is adapted to the operating conditions in the car, taking into account exposure to temperature changes and typical operational vibrations. Using an original component reduces the risk of incorrect installation and mounting problems. As an element from the Horns group, the alarm siren is designed for the appropriate acoustic characteristics – the sound is intended to be clear, audible, and unambiguously associated with an alarm signal. Proper matching to the Ford system allows for consistency with other vehicle security functions.

Benefits of using an original Ford siren

Using a factory siren speaker in a Ford Fiesta Mk8 or Ford Puma provides a number of practical benefits:

• maintaining full compatibility with the factory Ford alarm system,
• proper electrical and mechanical fit for the intended mounting location,
• consistent sound characteristics with factory vehicle settings,
• reducing the risk of installation errors typical of universal replacements. Thanks to this, the repair of the alarm system is predictable, and the operation of the security system remains in line with the manufacturer's specifications. The used component also allows for optimizing service costs while maintaining an appropriate level of functionality.

Condition, fitment, and service application

The offered alarm siren is a used item, which in practice means it comes from disassembly and is intended for reinstallation in a vehicle. Such components are frequently used in post-accident repairs, for alarm system damage, or in situations where the factory speaker has suffered a mechanical or electrical failure. Choosing an original Ford element from the Horns group facilitates work for workshops and individuals servicing the vehicle themselves, as it does not require installation adaptation or mounting modifications. This solution is particularly beneficial where maintaining the factory security configuration and predictable system operation is a priority.

Related components and preparing the car for the season

If you are planning a comprehensive repair or upgrade of the security and acoustic signaling zone in your Ford and need other elements from the same group, such as additional sound signals, control modules, or related speakers, check the available parts in the Ford Horns category. While working on the alarm system, it is worth verifying the general condition of the vehicle before a demanding season. Practical tips on which used components are worth checking and potentially replacing before the arrival of low temperatures can be found in the article Winter essentials: which used car parts are worth checking and replacing before the frost?.