Ford Fiesta ST Mk5 Bare Engine N4JB 2.0 ST150 HP 79k miles, 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 ST Mk5 Bare Engine N4JB 2.0 ST150 HP 79k miles, WARRANTY is a factory-spec, performance petrol engine block designed for the dynamic ST150 version. This bare unit provides a solid foundation for professional repairs, engine swaps, or powertrain rebuilds, while maintaining the original performance characteristics of the Ford engine. Thanks to its OEM construction, this engine block allows for precise fitment to factory mounting points and auxiliary components.

Specifications and technical data

• SKU: 1473402
• Mark: Ford
• Condition: Used
• OEM Part Number: 1473402
• Substitutable numbers: 1473402, 5S6G-6006-AD, 5S6G6006AD
• Fuel type: Petrol
• Number of cylinders: 4
• Part type: Engine Long Block
• Category: Engines
• Engine code: N4JB
• Mileage: 79 000

Technical specifications of the N4JB engine block

The presented engine block belongs to the Engines category and is designed for petrol fuel, which promotes quick revving and predictable throttle response. The four-cylinder configuration ensures a balanced combination of performance and refinement, while the N4JB code identifies the specific variant used in the ST150 version, facilitating the selection of accessories and engine management systems.

As a bare engine block, the unit serves as the core of the powertrain – the block, cylinder head, and basic mechanical structure are ready for the transfer of existing components from your vehicle. This configuration is particularly beneficial for repairing severe mechanical damage when the original block or cylinder head is no longer suitable for further use.

Application in Ford Fiesta ST Mk5 ST150

The N4JB engine was developed for the sporty Ford Fiesta ST Mk5, meaning its characteristics perfectly match the requirements of dynamic driving. Using this bare engine block allows for:

• restoring the factory specification of the powertrain in a vehicle after a mechanical failure,
• performing an engine swap within the same model generation while retaining original mounting points,
• transferring proven auxiliary components from the previous engine while replacing the core unit.

Due to the original design, installation is straightforward for an experienced mechanic, with no need for unusual modifications in the engine bay.

Condition, mileage, and operational potential

The offered engine block comes from a used unit, which is a cost-effective solution while maintaining factory geometry and compatibility with Ford components. The documented mileage allows for an assessment of the remaining service life and planning of any necessary maintenance before installation, such as checking seals, measuring compression, or verifying cylinder head flatness.

Choosing a used engine block is particularly attractive in situations where repairing the existing unit (e.g., after seizure, a cracked block, or severe overheating) would be uneconomical. Using a complete engine core helps reduce repair time and limits the risk of hidden damage in a rebuilt, heavily worn base.

Selection by OEM/VIN and expert knowledge

To minimize the risk of incompatibility, it is recommended to select the engine block based on the OEM number and the vehicle's VIN. This allows for confirmation of the engine code, model generation, and equipment version, which is important when transferring accessories and the engine control unit. Proper identification is crucial, especially in sporty versions where construction differences may be subtle but significant for durability and performance.

If you want to learn more about the cost-effectiveness of purchasing used powertrains, procedures for selection by VIN/OEM, and the real differences between rebuilding and replacement, it is worth checking out our expert guide Why it is worth buying used gearboxes and engines – facts instead of myths. It is a practical source of information that helps in making informed service decisions.

Expansion and other Ford Engines

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 blocks, cylinder heads, or complete power units, check out the available parts in the Ford Engines category.