Ford B-Max Fiesta Mk7 Mk8 Focus Cylinder Head Engine Petrol 1.0 EcoBoost 1856411

Ford B-Max Fiesta Mk7 Mk8 Focus Cylinder Head Engine Petrol 1.0 EcoBoost is an original component from the Cylinder Heads category, designed for Ford EcoBoost petrol engines. This used, factory-spec cylinder head provides a proper foundation for a professional engine repair, maintaining compatibility with the original design and operating parameters. It is an ideal solution for users looking to restore engine performance while utilizing high-quality components.

Specifications and technical data

• SKU: 1856411
• Mark: Ford
• Condition: Used
• OEM Part Number: 1856411
• Substitutable numbers: CM5G-6C032-DB, CM5G6C032DB, 1856411
• Fuel type: Petrol
• Part type: Cylinder Head
• Category: Cylinder Heads

Purpose and compatibility

The presented cylinder head is dedicated to the three-cylinder 1.0 EcoBoost petrol engines used in popular Ford models such as the B-Max, Fiesta Mk7, Fiesta Mk8, and Focus. The design of the cylinder head is optimized for operation with a small-displacement turbocharged engine, which translates into proper cooling, lubrication, and stable performance across a wide range of loads. By maintaining the original geometry of the intake and exhaust ports, as well as the correct configuration of the combustion chambers, the cylinder head allows for the retention of factory engine performance and proper integration with auxiliary equipment and control electronics.

Construction and technical properties

The EcoBoost cylinder head has been designed with high thermal and mechanical efficiency in mind. The three-cylinder architecture facilitates a compact layout within the engine bay while enabling a favorable power-to-displacement ratio. The design provides for precise valve guidance, appropriate placement of oil channels, and optimized cooling passages, which are crucial for durability during dynamic operation. The petrol engine for which this cylinder head is intended operates under high boost pressure, which is why the proper rigidity of the housing and the stability of the contact surface with the engine block are essential. The original Ford cylinder head ensures these parameters are maintained, facilitating a proper seal of the combustion system after professional installation.

Application in the 1.0 EcoBoost petrol engine

The 1.0 EcoBoost units are modern petrol engines where the cylinder head plays a key role in shaping power and torque characteristics. Properly designed intake ports support efficient cylinder filling, and the geometry of the combustion chambers promotes even combustion of the air-fuel mixture. This makes it possible to combine fuel economy with dynamic throttle response. Replacing the cylinder head with an original component from the same design family allows for the preservation of factory engine operating parameters, which is particularly important in the case of advanced turbocharged units. This solution is recommended both for repairs following overheating and for overhauls resulting from natural wear and tear.

Benefits of using an original Ford cylinder head

Choosing an original Ford cylinder head from the Cylinder Heads category primarily ensures a perfect fit for the specific engine unit and compliance with factory tolerances. This facilitates service work, reduces installation time, and limits the risk of issues with sealing or timing system geometry.

• preservation of the factory operating characteristics of the 1.0 EcoBoost petrol engine,
• compatibility with auxiliary equipment and control systems used in B-Max, Fiesta Mk7, Fiesta Mk8, and Focus models,
• ability to utilize existing mounting points and factory design solutions,
• better durability predictability compared to generic aftermarket replacements.

Condition, verification, and service application

The cylinder head is sourced from vehicle dismantling and is offered as a used component, which allows for a significant reduction in repair costs while maintaining the manufacturer's original specifications. Before installation, standard service procedures are recommended, such as checking the flatness of the contact surface, verifying valve seats, and performing any necessary reconditioning in accordance with procedures used in professional machining workshops. A component prepared in this way provides a solid base for an engine overhaul, especially in vehicles used intensively in urban traffic, where 1.0 EcoBoost units operate under varied load conditions. The use of an original cylinder head promotes stable engine operation after repair and facilitates subsequent diagnostics. If you are planning a comprehensive repair or upgrade of your Ford's engine area and need other components from the same group, such as cylinder head housings, valve covers, or mounting elements, check the available parts in the Ford Cylinder Heads category. For users interested in a broader perspective on the economical servicing of premium-class cars, including the use of verified used parts, the following article describing component selection strategies and quality control may be helpful: Luxury within reach – how to service a legendary Porsche brand using verified used parts.