Ford Focus Mk2 C-Max Power Steering Pump Unit 4M51-3K514-AC

The Ford Focus Mk2 C-Max Power Steering Pump Unit is an original component from the Power Steering Pumps group, designed for vehicles with diesel engines. It ensures stable pressure in the power steering system, which translates into precise vehicle handling, predictable steering response, and comfortable maneuvering in daily use.

Specifications and technical data

• SKU: 4M51-3K514-AC
• Mark: Ford
• Condition: Used
• OEM Part Number: 4M51-3K514-AC
• Substitutable numbers: 4M51-3K514-AC, 4M513K514AC, 4M51-3K514-AD, 4M513K514AD, 1357374
• Fuel type: Diesel
• Part type: Power Steering Pump
• Category: Power Steering Pumps

Purpose and compatibility

The presented power steering pump has been designed specifically for second-generation Ford Focus and Ford C-Max models equipped with diesel engines. Using an original manufacturer solution allows for maintaining factory steering system performance parameters, reducing the risk of improper fitment, and facilitating installation in place of a worn-out component.

Thanks to the dedicated design for diesel units, the power steering system is prepared for the characteristic loads generated by a diesel engine, which promotes stable operation over a long period of use.

Technical characteristics of the power steering system

The pump is responsible for generating the appropriate operating pressure in the hydraulic power steering system. A properly functioning component:

• ensures smooth and predictable steering operation at both low and high speeds,
• reduces steering resistance during maneuvering,
• supports even load distribution throughout the system,
• reduces the risk of noise and vibrations resulting from improper circuit pressure.

Using an original pump to replace a worn-out element allows for restoring the correct operating characteristics of the system, which is particularly important in cars used intensively in urban traffic.

Benefits of using an original power steering pump

Choosing an original power steering pump for a Ford translates into a number of practical operational benefits:

• Factory fitment – geometry and mounting points are consistent with the vehicle's design, which facilitates installation and minimizes the risk of leaks.
• Consistency with the hydraulic system – flow and pressure parameters are adapted to the hoses, steering gear, and other elements of the factory system.
• Stable operation in diesel engines – the pump is prepared to work with the torque characteristics of diesel units.
• Possibility of using the existing installation without the need for structural modifications.

Condition and installation recommendations

The item comes from disassembly and is intended for reinstallation after prior verification of compatibility with the specific vehicle equipment version. Before installation, it is recommended to:

• check the tightness of the entire power steering system,
• replace the fluid with fresh fluid meeting the manufacturer's recommended specifications,
• bleed the system after installation to avoid cavitation and operating noise.

Such an approach allows for fully utilizing the component's potential and reducing the risk of accelerated wear of other steering system elements.

Technical support and additional resources

If you are planning a comprehensive repair or upgrade of the steering system area in your Ford and need other elements from the same group, such as the steering gear, pressure hoses, or fluid reservoir, check the available parts in the Ford Power Steering Pumps category.

To better understand the relationships between systems in the vehicle and the importance of proper component selection by OEM numbers, it is worth reading the guide on fuel supply systems: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration. This will allow for a broader view of vehicle diagnostics and service planning.