Ford Focus Mk2 Door Window Glass Glazing Front Right O/S AS2 4M51-A21410-AE

Ford Focus Mk2 Door Window Glass Glazing Front Right O/S is an original component from the Car windows category, designed for installation on the passenger side. It ensures proper visibility, sealing, and compatibility with the factory window regulator mechanism in the second-generation Ford Focus. This used OEM component is a sensible choice for drivers looking for a technically matched solution at an attractive price.

Specifications and technical data

• SKU: 4M51-A21410-AE
• Mark: Ford
• Condition: Used
• OEM Part Number: 4M51-A21410-AE
• Substitutable numbers: 4M51-A21410-AE, 4M51A21410AE, 1342622
• Location on the vehicle: Front, Right
• Category: Car Glass

Purpose and fitment

The described window is dedicated to the front right door of the Ford Focus Mk2, which means it is compatible with the door frame geometry, guides, and factory seals. As a result, the following are maintained:

• correct body line and fitment with the bodywork,
• proper operation with the window regulator,
• stable movement in the guides during opening and closing.

Proper fitment reduces the risk of leaks, rattles, or excessive stress on the glass during operation.

Technical characteristics of the window

The window belongs to the Car windows group and is manufactured as side glass with parameters corresponding to the standard used factory-wide in Ford vehicles. The glass type marking ensures a specific level of light transmission and resistance to mechanical damage typical for door windows.

As an OEM component, it retains the factory edge profile, mounting holes, and attachment points, which facilitates installation and minimizes the need for additional adjustments after installation in the vehicle.

Benefits of using an original used window

Choosing a used door window for the Ford Focus Mk2 is a solution that allows you to combine functionality with savings. Key advantages include:

• factory fitment to the Ford door and body structure,
• preservation of original optical characteristics and glass thickness,
• lower cost compared to a new component while maintaining proper functional performance.

This solution works particularly well for post-accident repairs, replacement after glass breakage, or vehicle restoration, where compliance with factory specifications is important.

Body zone and installation

The window operates in a critical side zone of the body, responsible for acoustic comfort, protection against weather conditions, and passenger safety. A correctly selected component:

• facilitates the adjustment of the window lifting mechanism,
• reduces noise in the cabin while driving,
• supports the proper functioning of seals and window strips.

During installation, it is recommended to check the condition of the guides, rollers, and seals to fully utilize the potential of the replaced window and avoid further intervention in this area of the body.

If you are planning a comprehensive repair or upgrade of the side glazing zone in your Ford and need other elements from the same group, such as rear side windows, driver-side door windows, or additional glazing elements, check the available parts in the Ford Car windows category.

Used windows and repair economy

Using used glass components is a popular way to reduce vehicle maintenance costs while maintaining an appropriate level of quality. In the case of the Ford Focus Mk2, this allows for:

• reducing expenses during body and paint repairs,
• maintaining a consistent vehicle appearance,
• rational budget management while maintaining functionality.

If you want to better understand how to use used components in a conscious and economical way, it is worth reading the article on our blog: Used car parts for Mini Cooper – a way for style and savings, which discusses a practical approach to selecting second-hand parts.

For those interested in the environmental aspect and the impact of reusing parts on the carbon footprint, we recommend the material: Eco-tuning in practice: how to increase performance while reducing carbon footprint thanks to recycled parts, showing how repairs using used components fit into a modern approach to car operation.