Ford Mondeo Mk5 Rear Door Window Weatherstrip Moulding Seal Left N/S 2509911

Ford Mondeo Mk4 Rear Door Window Weatherstrip Moulding Seal Left N/S is an original Ford body component designed to protect the window edge from water, dirt, and noise. This precisely profiled moulding ensures stable window guidance in the rear left door, improving acoustic comfort and the durability of the window lifting mechanism.

Specifications and technical data

• SKU: 2509911
• Mark: Ford
• Condition: Used
• OEM Part Number: 2509911
• Substitutable numbers: 2509911, DS73F25605CB, DS73-F25605-CB
• Location on the vehicle: Rear, Left
• Part type: Window Trim
• Category: Window Seals, Gaskets & Trims

Purpose and function in the Ford Mondeo Mk4

The presented rear left door window seal has been designed specifically for the fourth-generation Ford Mondeo, taking into account the door geometry and window guidance. The component is mounted in the rear part of the body on the driver's side, where it is responsible for:

• sealing the contact point between the window and the door frame in the exterior area,
• limiting the ingress of water and contaminants into the door interior,
• reducing wind noise when driving at higher speeds,
• stabilizing the operation of the window lifting mechanism.

Thanks to its fitment for the specific body model, the seal maintains the correct contact line with the glass, which translates into even pressure and proper water drainage.

Construction and fitment of the component

The rear left door window seal combines the function of a flexible seal and a guide moulding. The profile of the element has been prepared for the factory mounting points in the Ford Mondeo Mk4 doors, which facilitates installation and ensures proper alignment with the door frame and window.

The appropriately selected stiffness of the moulding reduces window vibration, while the flexible sealing part compensates for minor deviations in the door panel setting, maintaining the continuity of the seal line. Such a solution helps maintain stable acoustic parameters of the cabin and reduces the risk of premature wear of the window lifting mechanism.

Benefits of using an original seal

Using an original rear left door window seal in a Ford Mondeo Mk4 allows you to maintain the factory operating parameters of the door and window. Key advantages include:

• Proper fit to the door shape – no need for modifications or adjustments required by universal parts.
• Consistency with other body seals – maintaining the continuity of seal lines around windows and doors.
• Reduced risk of leaks and window fogging in the rear of the vehicle.
• Improved acoustic comfort in the second row of seats.

The element from the Window seals and mouldings category is particularly important in vehicles operated in variable weather conditions, where frequent rainfall and temperature fluctuations accelerate the wear of external seals.

Condition, installation, and service application

The offered seal is a used part, which allows for an economical repair of the rear door zone while maintaining the manufacturer's original specifications. This type of component is often replaced in the event of:

• cracks or delamination of the rubber on the window edge,
• noticeable wind noise with the doors closed,
• leaks resulting in water entering the door interior,
• mechanical damage after a collision or bodywork repairs.

Due to the factory fitment, installation is predictable – once properly seated in the mounting points, the seal forms a cohesive line with the other door trim elements.

Related components and service knowledge

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

When planning broader service work and optimizing operating costs, it is worth reaching for proven technical materials – a practical comparison of design solutions and repair costs can be found in the article Volkswagen 1.9 TDI vs 1.4 TSI – evolution of VW engines and repair costs, which shows how to consciously choose used components in various vehicle systems.