Ford Focus St-3 Mk2 Steering Rack Track Rod Arm End Front Left N/S 4M51-3290-AC

Ford Focus St-3 Mk2 Steering Rack Track Rod Arm End Front Left N/S is a steering system component designed for the front axle on the driver's side in petrol versions. It is a practical solution for users who want to restore proper suspension geometry, maintain steering precision, and keep the stability of their Focus at a safe level. By adhering to the manufacturer's specifications, the component works with the factory steering column and rack, which facilitates installation and subsequent wheel alignment.

Specifications and technical data

• SKU: 4M513290AC
• Mark: Ford
• Condition: Used
• OEM Part Number: 4M513290AC
• Substitutable numbers: 4M513290AC, 4M51-3290-AC
• Location on the vehicle: Front, Left
• Fuel type: Petrol
• Category: Other Steering & Suspension Parts

Purpose and function in the steering system

The front left steering track rod arm in the Ford Focus St-3 Mk2 is responsible for transferring movement from the steering rack to the steering knuckle on the driver's side. In practice, this has a direct impact on:

• the vehicle's response to steering inputs,
• maintaining the specified front wheel alignment,
• driving path stability at higher speeds,
• even tire wear on the front axle. In the ST-3 version, where the chassis is tuned more dynamically, a functional steering track rod arm is crucial for steering precision and predictable vehicle behavior in corners.

Compatibility with petrol versions

The presented track rod arm has been designed to work with petrol variants of the Ford Focus St-3 Mk2. Proper matching to this powertrain configuration allows for maintaining the correct loads on suspension and steering components, which translates into the proper operation of the entire front end of the vehicle. Choosing a part compatible with the fuel type is especially important in high-performance cars, where the steering system operates under higher loads than in standard versions.

Benefits of using an original Ford component

The steering track rod arm from the Ford range ensures:

• geometry consistent with the manufacturer's factory standards,
• proper fitment with the steering rack and tie rod end,
• the possibility of precise wheel alignment after installation,
• stable handling during daily use and dynamic driving. Thanks to maintaining the original design, installation is predictable for the mechanic, without the need to modify other steering system components.

Characteristics of the used component

The offered steering track rod arm is a used part, which allows for reducing repair costs while maintaining compliance with Ford's factory specifications. This solution is particularly beneficial for comprehensive suspension maintenance when several components are being replaced simultaneously. Choosing a used OEM component often ensures a better fit than cheaper replacements with uncertain geometry. To maximize the potential of such a component, it is worth performing a professional wheel alignment after installation, which will translate into driving stability and even tire wear.

Technical support and additional materials

If you are planning a comprehensive repair or upgrade of the steering system in your Ford and need other components from the same group, such as tie rod ends, steering racks, or mounting elements, check the available parts in the Other Ford category. When working on the chassis and steering system, it is also worth expanding your knowledge about the structural differences between standard and sports versions – a good point of reference would be an article describing the sports variants of another brand, which shows how manufacturers modify the engine, brakes, and chassis in higher-performance versions: Audi RS vs other models – what is hidden under the hood and chassis?. If you want to better take care of dismantled parts and extend their trouble-free operation, the guide on maintaining used automotive components will be helpful: How to extend the service life of used car parts?.