Ford Focus Mk3 ST High Pressure Fuel Injection Pump 2.0 Petrol AG9E-9D376-AB

Ford Focus Mk3 ST High Pressure Fuel Injection Pump 2.0 Petrol is a component from the High-pressure fuel pumps category, designed for the fuel supply system of a petrol engine. This Ford brand component is sourced from vehicle dismantling, allowing for an economical yet technically sound repair of the fuel system in the ST version with a 2.0 unit.

Specifications and technical data

• SKU: 5162174
• Mark: Ford
• Condition: Used
• OEM Part Number: 5162174
• Substitutable numbers: 5162174, AG9E-9D376-AB, AG9E9D376AB, 0261520152, 0 261 520 152
• Fuel type: Petrol
• Part type: High Pressure Pump
• Category: High Pressure Fuel Pumps

Purpose and role in the fuel system

The presented high-pressure pump is dedicated to the 2.0 petrol engine in the Ford Focus Mk3 ST model, where it is responsible for generating sufficiently high fuel pressure for the injection system. Stable pressure in the fuel rail is crucial for proper fuel metering, maintaining engine power, and ensuring the correct operation of the engine control unit across a wide range of loads. Thanks to its design compliant with the manufacturer's standards, the pump works with the factory control system, sensors, and equipment, which reduces the risk of adaptation issues and eliminates the need for system modifications.

Benefits of using an original Ford pump

Using an original high-pressure pump in the sporty ST version allows you to maintain the engine's performance parameters at the level intended by the manufacturer. This is particularly important in turbocharged engines, where precise fuel dose control affects:

• stability of operation under high load and at higher RPMs,
• proper functioning of the turbocharging system,
• maintaining proper idle smoothness,
• reducing the risk of misfires and fuel pressure-related errors. Choosing a used OEM component is a cost-effective solution while maintaining compliance with factory specifications, which is significant both in daily use and during more dynamic driving.

Condition, fitment, and installation aspects

The offered pump is sourced from dismantling and is intended for reinstallation in the petrol fuel supply system. Before installation, a standard workshop procedure is recommended: checking the fuel system for leaks, verifying the condition of the lines, and proper bleeding after installation. Thanks to the preservation of factory geometry and mounting points, the installation proceeds in a manner typical for original Ford components, without the need for mechanical adaptation. For certainty of fitment, it is worth verifying compatibility by the OEM number or interchangeable numbers and comparing the design with the currently installed component. This helps avoid ordering errors and reduces vehicle downtime.

Technical support and selection of fuel system components

If you are planning a comprehensive repair or upgrade of the fuel supply area in your Ford and need other components from the same group, such as additional pumps, lines, or control elements, check the available parts in the Ford High-pressure fuel pumps category. When purchasing a used high-pressure pump, it is worth paying attention to symptoms typical of wear, such as pressure drops, problems with starting on a warm engine, or controller errors. Practical tips on the safe selection of dismantled components can be found in the article Fuel metering problems: what to look for when buying a used injection pump and fuel rails?, which discusses key aspects of diagnostics and selection. Additional information on the construction and operation of the fuel system, including the interaction of pumps, injectors, and the fuel tank, as well as selecting parts by OEM number, can be found in the guide Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, which may be helpful when planning broader service work on your Ford Focus Mk3 ST.