Ford Fiesta Mk5 ST Rngine Starter Motor 2.0 Petrol ST150 5S6Y-11000-AB

Ford Fiesta Mk5 ST Rngine Starter Motor 2.0 Petrol ST150 is an original component from the Starters group, designed for petrol-powered engines in the sporty ST150 version. A used OEM starter is a sensible choice for drivers who want to restore proper engine starting while maintaining factory performance parameters and solid durability.

Specifications and technical data

• SKU: 1488566
• Mark: Ford
• Condition: Used
• OEM Part Number: 1488566
• Substitutable numbers: 5S6Y-11000-AB, 5S6Y11000AB, 1488566
• Fuel type: Petrol
• Part type: Starter Motor
• Category: Starter Motors

Purpose and technical fitment

The presented starter motor has been designed specifically for the sporty Ford Fiesta Mk5 ST variant with a 2.0 ST150 petrol engine. The OEM design ensures proper fitment to the drivetrain, correct positioning relative to the flywheel ring gear, and compatibility with the vehicle's electrical system.

By maintaining factory geometry and operating parameters, the starter works with the power supply and engine control system in accordance with the manufacturer's specifications, which reduces the risk of cold start issues, voltage drops, or excessive battery load.

Construction and operating characteristics

The starter belongs to the group of components responsible for initiating the engine's operation, which is why its construction is adapted to the loads occurring in a higher-power petrol engine. The applied electromagnetic and mechanical system allows for dynamic engagement with the flywheel ring gear and efficient torque transfer during the starting phase.

In practice, this means:

• stable crankshaft cranking when starting a cold or warm engine,
• rotational speed characteristics properly matched to the 2.0 petrol unit,
• reduction of unwanted vibrations and noise during starter operation.

Thanks to its factory origin, the component maintains proper cooperation with engine accessories, which translates into predictable behavior of the starting system in daily use.

Benefits of using an original used starter

Choosing a used OEM starter for the Ford Fiesta Mk5 ST is a solution that allows you to balance costs while maintaining factory specifications. An original component from the same model group usually features better fitment than universal aftermarket replacements, which facilitates installation and reduces the need for system modifications.

Key advantages of this solution include:

• factory compatibility with the vehicle's drivetrain and electrical system,
• preservation of the starting parameters intended by the manufacturer,
• the possibility of an economical repair of the starting system without giving up OEM parts.

For users who drive their car dynamically, typical for the ST version, using a starter with parameters consistent with the manufacturer's design helps maintain consistent starting under various load and temperature conditions.

Application area and installation

The starter operates in the engine area, in the immediate vicinity of the gearbox, where it is exposed to variable temperatures and vibrations. Using an OEM component allows for maintaining the correct mounting points, which facilitates installation and ensures stable seating in the engine block.

When replacing, it is recommended to:

• check the condition of power and ground cables,
• verify the battery condition for current efficiency,
• inspect electrical connections in the starting circuit.

This approach allows you to fully utilize the potential of the installed starter and reduce the risk of secondary faults resulting from installation issues.

Starting system expansion and technical knowledge

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 additional starters, mounting elements, or installation hardware, check the available parts in the Ford Starters category.

For informed users who want to better understand current trends in parts selection, especially in the context of the growing popularity of used OEM components, an article describing the secondary market and repair strategies may be helpful. More information can be found in the material: Crisis in the new parts market? Why used originals for premium cars are the hottest trend in 2026.