Ford Fiesta MK7 B-Max Bare Engine SFJA SFJB 1.0 Ecoboost 100HP 59k, WARRANTY

Warranty and technical condition of the part

The engine is sold with a 90-day warranty.

The power unit was tested before removal and is in full working order.

Listing details

The offer applies to a bare engine.

The engine is sold without accessories (e.g. alternator, starter motor, manifolds, injectors, turbocharger, etc.).

Ford Fiesta MK7 B-Max Bare Engine SFJA SFJB 1.0 Ecoboost 100HP is a three-cylinder petrol unit in a bare engine configuration, designed for professional engine replacement in Ford Fiesta MK7 and Ford B-Max models. This solution is for users and workshops that want to maintain the original performance characteristics of the Ecoboost engine while controlling repair costs.

Specifications and technical data

• SKU: 1857850
• Mark: Ford
• Condition: Used
• OEM Part Number: 1857850
• Substitutable numbers: 1857850, 2239292, 2499834, C1BG6006FA, C1BG-6006-FA, C1BG6006FB, C1BG-6006-FB
• Fuel type: Petrol
• Number of cylinders: 3
• Part type: Engine Long Block
• Category: Engines
• Engine code: SFJA SFJB
• Mileage: 59 000

Technical Characteristics of the 1.0 Ecoboost SFJA / SFJB Engine

The presented bare engine is based on a three-cylinder petrol unit from the Ecoboost family, designated by the codes SFJA / SFJB. The design of this engine has been developed to combine pleasant dynamics with reasonable fuel consumption, which in practice translates to responsive acceleration in urban traffic and stable performance at extra-urban speeds.

The three-cylinder layout ensures compact dimensions and low weight of the powertrain, which is particularly beneficial in lightweight bodies such as the Fiesta MK7 and B-Max. The 1.0 Ecoboost unit with 100 HP is a popular choice for drivers who value responsive throttle response and flexibility in everyday use.

Bare Engine – Purpose and Application

The offered component is a bare engine block, meaning it serves as a base for further assembly of ancillaries according to the specific vehicle's configuration. This format is particularly advantageous for workshops and mechanics who:

• want to use existing ancillaries from a damaged unit, maintaining compatibility with the car's equipment,
• need a proven base for overhaul or swap, without the need to purchase a complete engine with ancillaries,
• are looking for a flexible solution that allows configuration to be adapted to a specific equipment version.

This type of bare engine is suitable for professional service centers and advanced users who plan a conscious and controlled engine replacement in Ford Fiesta MK7 or Ford B-Max vehicles.

Benefits of Installing a Used Ecoboost Bare Engine

Choosing a used 1.0 Ecoboost 100 HP bare engine allows for reduced repair costs while maintaining the original manufacturer's specifications. Key advantages of this solution include:

• Replication of factory characteristics – maintaining the performance parameters intended for a given model version.
• Ability to reuse existing ancillaries – reducing the cost of additional parts and simplifying component selection.
• Compatibility with vehicle electronics – easier integration with factory control units and wiring.

Thanks to this, the bare engine serves as a practical base for restoring full drivetrain functionality in Ford Fiesta MK7 and B-Max cars with the 1.0 Ecoboost unit.

Professional Application in Service and Workshops

The Ecoboost unit with SFJA / SFJB codes is well-known to independent workshops, which facilitates the installation and subsequent servicing process. Mechanics will appreciate:

• clear three-cylinder design, conducive to efficient diagnostics and servicing,
• the possibility of transferring ancillaries from the existing engine,
• easier planning of repair work due to standardized solutions within the Ford range.

Before installation, the standard workshop procedure is recommended, including verification of the condition of cooperating components and preparation of the lubrication and cooling systems in accordance with the vehicle manufacturer's recommendations.

Ford Engines – Selection and Technical Knowledge

If you are looking for other Ford engines tailored to specific models of this brand, check out our dedicated category: Ford Engines. You will find a wide selection of powertrains there, which will make it easier to choose the right solution for your car.

When planning an engine replacement, it is also worth expanding your knowledge about typical design issues in modern engines. A good reference point can be an article describing critical units in a popular competitive brand model: Troublesome BMW E90 Engines: Find Out What Can Ruin Your Budget!. This will help you better understand what to look for when choosing and operating modern petrol engines.