Ford Fiesta St Mk5 Boot Trunk Lid Weatherstrip Gasket Seal 2S51-B40406-BB

Ford Fiesta St Mk5 Boot Trunk Lid Weatherstrip Gasket Seal is a precisely fitted body component responsible for the tightness and protection of the luggage compartment. Thanks to its factory geometry and sealing profile, it ensures a stable fit to the lid, limiting the ingress of water, dust, and noise into the vehicle interior. This is a practical solution for users who want to restore the tightness of the rear body section in a technically correct manner.

Specifications and technical data

• SKU: 2S51-B40406-BB
• Mark: Ford
• Condition: Used
• OEM Part Number: 2S51-B40406-BB
• Substitutable numbers: 2S51-B40406-BB, 2S51B40406BB, 1374117
• Category: Door Seals

Function and application of the boot lid seal

The boot lid seal in the Ford Fiesta ST Mk5 operates at the critical contact point between the tailgate and the bodywork. Its purpose is to:

• limit the ingress of rainwater into the luggage compartment,
• reduce road debris and dust in the rear section of the body,
• stabilize the boot lid in the closed position,
• improve acoustic comfort by dampening vibrations and noise.

A properly selected seal minimizes the risk of corrosion around the boot edges and reduces moisture in the upholstery and electrical wiring in the rear of the vehicle.

Construction and fitment for the Ford Fiesta ST Mk5

The presented seal has been designed specifically for the boot lid construction of the ST Mk5 version, which translates into correct routing along the tailgate perimeter and proper adhesion to the metal surfaces. The working profile of the seal is adapted to factory embossments, meaning installation does not require body modifications or additional adapters.

The appropriately selected material flexibility allows for repeated opening and closing of the lid without loss of tightness under typical operating conditions. This solution is particularly important in cars used daily, where the boot area is regularly subjected to stress.

Benefits of replacing the boot seal

Replacing a worn seal with a functional component allows you to practically:

• reduce window fogging from the rear of the vehicle,
• protect the boot upholstery from moisture,
• reduce the risk of corrosion on the tailgate edge and loading sill,
• maintain stable closing of the boot lid.

For Ford users who pay attention to the condition of the bodywork, such a replacement is a simple way to increase the durability of the rear body section and maintain the functionality of the cargo space.

Product characteristics and condition

The offered seal belongs to the Ford body component group and comes from disassembly, meaning it is a used part. Such components are often chosen by conscious users who are looking for solutions consistent with the vehicle's factory design while maintaining reasonable service costs. The correct selection of the seal for a specific model version allows for maintaining the original body line and correct tailgate fitment.

Thanks to the preservation of the factory shape and routing points, installation can be carried out in a standard way, without the need for interference with the body structure. This is a practical solution for both workshops and users servicing their cars themselves.

Related Ford body components

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

For drivers interested in a broader perspective on vehicle operation and maintenance costs, comparative materials regarding power units may be useful – for example, the article BMW N47 vs M57 / M57N / M57N2 – a ranking of legendary diesels helps to understand how the choice of construction affects the durability and availability of parts from the secondary market.