Ford Focus Mk3 Front Door Seal Strip Gasket Weatherstrip Left N/S F1EB-A20571-BA

Ford Focus Mk3 Front Door Seal Strip Gasket Weatherstrip Left N/S is a precisely fitted body component designed for installation in the front left door. It is responsible for sealing the window guide, reducing noise, and protecting the interior from water and contaminants, ensuring the stable operation of the window lifting mechanism. Thanks to its factory-spec geometry and profile, it provides a practical solution for repairs to the driver's door in the Ford Focus Mk3.

Specifications and technical data

• SKU: F1EB-A20571-BA
• Mark: Ford
• Condition: Used
• OEM Part Number: F1EB-A20571-BA
• Substitutable numbers: 1890785, F1EB-A20571-BA, F1EBA20571BA
• Location on the vehicle: Front, Left
• Part type: Window Seal
• Category: Window Seals, Gaskets & Trims

Purpose and function of the window seal strip

The described strip is a component from the Window seals and strips group, operating in the contact area between the window and the door panel. Its purpose is to:

• seal the space between the window and the door frame,
• provide stable guidance for the window during raising and lowering,
• reduce air drafts and wind noise at higher speeds,
• protect the edge of the window from minor mechanical damage.

Its placement on the vehicle in the front left door area makes this component significant for both driver comfort and the proper closing of the driver's side window.

Construction and fitment for Ford Focus Mk3

The strip has been designed specifically for the Ford Focus Mk3 door construction, maintaining the correct profile, length, and mounting points. As a result, it:

• fits factory holes and clips in the door,
• maintains the correct contact line with the window,
• does not require any interference with the door structure or additional modifications.

Such fitment translates into stable window operation and reduces the risk of jamming or uneven closing, which often occur with worn or deformed seals.

Performance characteristics and installation

The component is intended for installation in the front left area, which in practice means handling the driver's side window. Replacing a worn strip with a functional component allows you to:

• reduce cabin noise originating from the door area,
• limit moisture ingress into the door cavity,
• improve the comfort of the window lifting mechanism.

Due to its design tailored to the specific model, installation can be carried out in an orderly manner using factory mounting points, which facilitates the work for both workshops and more experienced users.

Component condition and service application

The window seal strip is offered as a used part, making it a reasonable choice for maintenance repairs where functionality and compatibility with the vehicle's original design are the priority. This type of component is particularly useful in situations where:

• the original strip has become worn or deformed,
• there are leaks in the area of the front left door window,
• unwanted noises occur during window operation.

Using a component from the same construction group allows you to maintain technical consistency with other door components.

Complementary Ford window seals and strips

If you are planning a comprehensive repair or upgrade of the door area in your Ford and need other elements from the same group, such as additional window seals, guide strips, or window trim elements, check the available parts in the Ford window seals and strips category.

To better plan your car service budget and avoid unforeseen costs associated with more complex repairs, it is worth reading practical advice on unreliable power units – the article Unreliable BMW E90 engines: check what can ruin your budget! may be helpful, as it shows how to consciously approach vehicle operation and maintenance.