Ford Focus Mk3 Door Window Seal Gasket Rubber Rear Left N/S BM51-A25825

Ford Focus Mk3 Door Window Seal Gasket Rubber Rear Left N/S is a precisely profiled component from the Window seals and trims category, designed for installation in the rear left section of the vehicle body. It is responsible for the tight guidance of the door window, reducing wind noise, and protecting the interior from water and contaminants, ensuring the stable operation of the window lifting mechanism.

Specifications and technical data

• SKU: BM51-A25825
• Mark: Ford
• Condition: Used
• OEM Part Number: BM51-A25825
• Substitutable numbers: BM51-A25825, BM51A25825, BM51-A25825-AJ, BM51A25825AJ, 1787049
• Location on the vehicle: Rear, Left
• Category: Window Seals, Gaskets & Trims

Purpose and function of the seal

The presented seal has been designed specifically for the rear left door window in the third-generation Ford Focus model. Its profile is matched to the shape of the door frame, which allows for proper vertical guidance of the glass and maintains even pressure along the entire length of the edge.

Thanks to a properly selected rubber compound, this component:

• limits water penetration into the door interior and cabin,
• reduces wind noise at higher speeds,
• stabilizes the glass in the guide, reducing the risk of vibration,
• supports the correct operation of the window regulator, reducing movement resistance.

Construction and fitment for Ford Focus Mk3

The Ford Focus Mk3 Door Window Seal Gasket Rubber Rear Left N/S has a shape adapted to the geometry of the rear left part of the body, which enables installation at factory mounting points without the need for modifications. The flexible structure of the rubber facilitates seating in the door frame while providing adequate rigidity in the window guidance areas.

The element belongs to the Window seals and trims group, allowing it to work with other peripheral door seals to create a cohesive system of protection against external factors. A correctly installed seal helps maintain even pressure of the glass against the frame, which is important for both acoustic comfort and the durability of the lifting mechanism.

Characteristics of the used component

The offered component is a used part, sourced from dismantling, which allows for maintaining the original geometry and compatibility with the Ford body. Such elements are particularly useful for post-accident repairs, replacing worn-out seals, or eliminating leaks and noises that appear during vehicle operation.

Using an original seal from the same model generation minimizes the risk of fitment issues, such as excessive play, excessive stress, or improper adhesion to the glass and door frame.

Benefits of replacing the rear left window seal

Replacing a worn or damaged seal in a Ford Focus Mk3 with a functional element of this type allows, in practice, to:

• limit window fogging due to better system tightness,
• reduce noise levels in the cabin, especially during highway driving,
• reduce the risk of corrosion inside the door by limiting water ingress,
• improve the operating culture of the window lifting mechanism.

For users who pay attention to the comfort of daily operation, a properly selected rear window seal is an essential element for maintaining proper acoustic insulation and protection of the vehicle interior.

Related items from the Ford seal group

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

For drivers interested in further improving ergonomics and driving comfort, particularly by changing the point of contact with the vehicle, it is worth checking out the guide on selecting a steering wheel with a higher standard of finish – you will find practical tips in the article Personalization and ergonomics – when is it worth replacing the steering wheel with a premium model?.