Ford B-Max Focus Fiesta Engine Crankshaft 1.0 EcoBoost SFJA 1807873

Ford B-Max Focus Fiesta Engine Crankshaft 1.0 EcoBoost SFJA is an original component from the Crankshafts group, designed for 1.0 EcoBoost units with the SFJA designation in popular Ford models. This used OEM component allows for a technically correct repair of the engine's bottom end, maintaining factory operating parameters and the performance standards of the power unit.

Specifications and technical data

• SKU: 1807873
• Mark: Ford
• Condition: Used
• OEM Part Number: 1807873
• Substitutable numbers: 1807873
• Category: Crankshafts

Purpose and function of the crankshaft

The presented crankshaft is a key element of the crank-piston system in the 1.0 EcoBoost SFJA engine used in Ford B-Max, Focus, and Fiesta models. It is responsible for precisely converting the reciprocating motion of the pistons into rotational motion, which directly affects engine smoothness, idle stability, and the durability of the entire power unit. By using an original Ford component, the correct geometry of the main and connecting rod journals is maintained, as well as proper dynamic balancing, which reduces vibrations and loads transferred to the engine block, bearings, and accessories.

Benefits of using an original Ford crankshaft

Using a factory crankshaft in the 1.0 EcoBoost SFJA engine provides a number of practical service and operational benefits:

• compliance with the engine manufacturer's technical documentation,
• certainty of fitment to the block, connecting rods, and lubrication system without the need for modifications,
• maintenance of proper crank-piston system balance,
• reduction of the risk of incorrect installation typical of aftermarket replacements of uncertain origin. For workshops and users, this means a more predictable repair process, easier diagnostics, and the ability to maintain factory engine operating parameters, which is particularly important in modern, small-displacement turbocharged units.

Product characteristics and service application

The offered element comes from the Crankshafts group and is intended for installation in 1.0 EcoBoost SFJA engines used in Ford B-Max, Ford Focus, and Ford Fiesta. The used OEM component is a solution for accident repairs, engine overhauls following seizure, or mechanical damage to the crank-piston system. This type of crankshaft is particularly useful in situations where the following is required:

• comprehensive regeneration of the engine's bottom end,
• replacement of a damaged crankshaft after a lubrication failure,
• restoration of factory operating parameters after previous, unsuccessful repairs. For professional service centers and workshops specializing in EcoBoost engines, using an original Ford crankshaft allows for maintaining high service quality and reducing complaints related to vibrations or excessive bearing wear.

Condition, origin, and installation aspects

The product is offered as a used element, sourced from vehicle dismantling, which is a cost-effective solution while maintaining the manufacturer's original specifications. Before installation, standard workshop procedures are recommended: thorough cleaning, inspection of journal surfaces, checking for radial runout, and fitting bearings according to Ford service guidelines. Proper installation of the crankshaft in the 1.0 EcoBoost SFJA engine requires adhering to the correct tightening torques for main bearing cap bolts, checking oil clearances, and correctly setting the timing system. Thanks to the use of an original component, this process is predictable, and the risk of compatibility issues is significantly reduced.

Related components and additional technical information

When overhauling the bottom end of the engine, it is worth considering the simultaneous replacement or inspection of elements such as main and connecting rod bearings, crankshaft seals, the oil pump, or mounting bolts to ensure long-term and stable operation of the 1.0 EcoBoost SFJA unit. If you are planning a comprehensive repair or upgrade of the engine area in your Ford and need other elements from the same group, such as other crankshafts, components cooperating with the crank system, or bottom-end parts, check the available parts in the Ford Crankshafts category. For drivers and workshops considering the use of parts from professional dismantling in other vehicle systems as well, an article describing the practical aspects of using used components may be helpful – more information can be found in the material on steering play, steering rack leaks, and the cost-effectiveness of used steering gears.