Ford Focus Mk3 Rear Door Window Weatherstrip Moulding Seal Right O/S 1864245

Ford Focus Mk3 Rear Door Window Weatherstrip Moulding Seal Right O/S is an original body component designed for installation on the rear right side. It ensures a tight window guide, reduces wind noise, and protects the interior of the door from moisture, which translates into a more comfortable and stable vehicle operation. Thanks to the factory fit, the window sealing moulding works with the door structure without the need for any modifications.

Specifications and technical data

• SKU: 1864245
• Mark: Ford
• Condition: Used
• OEM Part Number: 1864245
• Substitutable numbers: 1864245, BM51A25604AK, BM51-A25604-AK
• Location on the vehicle: Rear, Right
• Part type: Window Trim
• Category: Window Seals, Gaskets & Trims

Purpose and function of the component

The presented sealing moulding is dedicated to the rear right door window in the third-generation Ford Focus model. Its task is to provide stable window guidance within the door frame and to limit the ingress of water, dust, and contaminants into the door structure. A properly selected seal profile supports the correct operation of the window lifting mechanism and reduces the risk of excessive play.

A well-chosen rear door window seal also affects cabin acoustics – it reduces noise at higher speeds and minimizes unwanted vibrations in the window frame area.

Construction and body fitment

The component belongs to the Window seals and mouldings group, which means it has been designed for precise fitment with the window edge and the door profile. The shape of the moulding is adapted to the geometry of the rear part of the body on the right side, so the installation is straightforward and does not require any interference with the bodywork structure.

The appropriate stiffness and flexibility of the seal allow for secure seating in the mounting slot while enabling the window to operate correctly throughout its full range of motion. Such a solution helps maintain uniform pressure along the entire length of the edge, which is essential for the tightness and durability of the connection.

Benefits of using an original sealing moulding

Using an original component from the Window seals and mouldings group in a Ford Focus Mk3 allows you to maintain factory window performance and door finish aesthetics. The most important advantages include:

• secure window guidance in the door frame during daily use,
• limitation of water and contaminants ingress into the door interior,
• improvement of acoustic comfort in the passenger cabin,
• consistent appearance of the window edge with other body elements.

By maintaining the correct profile and fit, the original Ford sealing moulding helps maintain stable operating conditions for the window lifting mechanism and reduces the risk of premature wear of moving parts.

Condition and service application

The component comes from disassembly and is offered as a used part, which is a cost-effective service solution for body repairs and restoring tightness in the rear right window area. Replacing a worn or damaged seal with an original moulding allows you to restore proper window adhesion to the door frame and reduce the risk of leaks and unwanted noises while driving.

Related items from the same group

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

Practical service tips

When replacing the sealing moulding, it is worth paying attention to the condition of the door edges and window guides so that the new component operates under the most stable conditions possible. Careful installation, without excessive tensioning of the profile, promotes tightness and reduces the risk of deformation during operation.

For users interested in a broader approach to repairs and selecting used parts, a guide describing key principles for verifying components from the secondary market may be helpful – more information can be found in the article How to buy a used car engine and not get scammed – a step-by-step guide, which discusses practical criteria for assessing the technical condition of components.