Ford Fiesta Mk7 Ignition Coil 1.0 Ecoboost Petrol Engine CM5G-12A366-CB

Ford Fiesta Mk7 Ignition Coil 1.0 Ecoboost Petrol Engine is an original ignition system component from the Ignition coils group, designed for Ford petrol engines with Ecoboost technology. Engineered by the vehicle manufacturer, it ensures compatibility with the factory electrical installation and stable operation of the power unit under typical operating conditions.

Specifications and technical data

• SKU: 1827901-1
• Mark: Ford
• Condition: Used
• OEM Part Number: 1827901
• Substitutable numbers: 1827901, CM5G12A366CB, CM5G-12A366-CB, CM5G12A366CA, CM5G-12A366-CA
• Fuel type: Petrol
• Part type: Ignition Coil
• Category: Ignition Coils

Purpose and function in the ignition system

The ignition coil in the 1.0 Ecoboost engine is responsible for generating the high voltage required to create a spark at the spark plug. A correctly selected component from this group has a direct impact on:

• the stability of the three-cylinder petrol unit across the full rev range,
• proper combustion of the air-fuel mixture,
• reduction of misfires and associated engine vibrations,
• maintaining the design-compliant exhaust emission parameters.

In the case of Ecoboost engines, the proper ignition coil is particularly important due to turbocharging and higher thermal loads, which is why using a component dedicated to this type of unit is crucial for maintaining correct operating characteristics.

Compatibility and fit for Ford Fiesta Mk7

The presented Ford Fiesta Mk7 Ignition Coil 1.0 Ecoboost has been developed to work with the engine control system in this model. This ensures the maintenance of:

• appropriate electrical parameters required by the engine control unit,
• connector geometry allowing for direct connection to the factory wiring harness,
• shape and dimensions allowing for installation in the designated cylinder head socket.

As a result, the installation process is straightforward, without the need for modifications to the installation or additional adapters, which reduces the risk of subsequent operational issues.

Technical and operational characteristics

The coil is designed to operate in an engine powered by petrol fuel, in accordance with the factory specification of the 1.0 Ecoboost unit. The component's construction is adapted to:

• frequent operation in the varying temperatures of the engine compartment,
• loads resulting from dynamic driving and operation under boost,
• cooperation with the on-board diagnostic system that monitors ignition correctness.

A properly selected ignition coil helps reduce typical symptoms of ignition system wear, such as jerking during acceleration, uneven idling, or a drop in dynamics in the mid-rev range.

Component condition and service application

The offered ignition coil is an aftermarket part, which allows for an economical replacement in the event of a single-cylinder failure or during planned ignition system maintenance. This type of part will work well both as a replacement for a damaged component and as a component used in diagnosing ignition problems in a petrol engine.

Due to the nature of coil operation in Ecoboost units, it is recommended to replace them in pairs or sets when recurring ignition errors appear, which facilitates restoring even engine operation and reduces the risk of further service downtime.

Expanding the ignition system in your Ford

If you are planning a comprehensive repair or upgrade of the engine area in your Ford and need other components from the same group, such as additional coils, mounting elements, or accompanying accessories, check the available parts in the Ford Ignition coils category.

If you want to better plan your car's service maintenance and find out which components are most frequently replaced, you will find practical tips in the article TOP 10 most frequently replaced parts in your car, which will facilitate an informed approach to operation and repair budgeting.