Ford Fiesta MK7 B-Max Complete 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 warranty covers the engine itself; engine accessories are covered by a 30-day warranty.

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

Listing details

The offer applies to a complete engine.

The engine comes from a right-hand drive (RHD) vehicle. The wiring harness is not compatible with left-hand drive (LHD) vehicles and requires replacement or modification.

Ford Fiesta MK7 B-Max Complete Engine SFJA SFJB 1.0 Ecoboost 100HP is a complete powertrain unit designed for modern, gasoline-powered Ford vehicles, ideal as a replacement for the factory unit. Its compact design, turbocharging, and well-thought-out architecture make this engine perform well in both city driving and on the road.

Specifications and technical data

• SKU: 1857850-1
• 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: Complete Assembly
• Category: Engines
• Engine code: SFJA SFJB
• Mileage: 59 000

1.0 EcoBoost Unit Characteristics

The presented engine belongs to the EcoBoost family of three-cylinder gasoline units, known for their favorable combination of power and moderate fuel consumption. The use of turbocharging allows for dynamic performance while maintaining a compact, lightweight design.

The engine code SFJA / SFJB denotes a specific variant used in Ford Fiesta MK7 and Ford B-Max models, which facilitates the selection of appropriate accessories and control systems. The unit has been designed for smooth operation across a wide range of RPMs, with clearly noticeable flexibility in typical road conditions.

Intended Use and Compatibility

The complete engine is dedicated to Ford Fiesta MK7 and Ford B-Max vehicles equipped with the 1.0 EcoBoost gasoline unit producing 100 HP. By maintaining the factory construction specifications, it can be used as a direct replacement in cars with the same engine code.

This solution is suitable for:

• failure of the existing unit requiring a complete engine replacement,
• comprehensive vehicle repairs after mechanical damage,
• car restoration projects where maintaining the original powertrain configuration is crucial.

Construction and Performance Parameters

The three-cylinder gasoline engine architecture helps reduce weight and improve load distribution within the engine bay. The unit has been developed with modern control systems in mind, which translates to precise fuel delivery and stable operation under various load conditions.

The complete engine is suitable for users expecting:

• a compact powertrain unit with a modern design,
• compatibility with Ford's factory control systems,
• the ability to continue operating the vehicle without the need for costly system modifications.

An additional practical piece of information is that the unit has a specified mileage, which allows for better planning of further maintenance and service schedules.

Condition, Verification, and Practical Application

The offered engine is in used condition, making it an attractive cost-effective alternative to new units. This type of solution is often chosen for post-accident repairs or significant mechanical damage when repairing the existing engine is not economically viable.

Before installation, standard preparation steps are recommended, such as:

• verification of accessories for compatibility with the vehicle's system,
• checking wear parts (seals, fluids, filters),
• adjusting the configuration to the specific vehicle equipment version.

This ensures that the engine can be safely integrated into further operation, maintaining predictable performance parameters.

Ford Engines – Selection and Technical Knowledge

If you are looking for other Ford engines suitable for various models of this brand, check out our dedicated category: Ford Engines. You will find a wide selection of powertrain units there, which will help you choose the right solution for your specific repair project.

When planning an engine replacement, it is also worth familiarizing yourself with the experiences of users of other brands. For a comparison of common issues, you can use the guide: Common BMW E90 Engine Failures: Find Out What Can Ruin Your Budget!, which shows the importance of informed engine selection and awareness of typical faults.

If you are considering further performance modifications, a practical tuning guide may also be helpful: How to Increase Engine Power: A Practical Guide to Tuning Engines with Used Parts, which describes a safe approach to enhancing powertrain performance.