Ford Transit Custom Rear Body Ventilation Vent Duct Left N/S BK21-B280B62-AA

Ford Transit Custom Rear Body Ventilation Vent Duct Left N/S is an original body component from the Protective and decorative strips group, designed for installation in the rear left section of the vehicle. Designed by the vehicle manufacturer, it ensures proper airflow and an aesthetic finish to the body zone, maintaining factory fitment and a consistent appearance. It is a practical solution for users who want to restore the proper operation of the rear body ventilation system while maintaining the original specifications.

Specifications and technical data

• SKU: BK21-B280B62-AA
• Mark: Ford
• Condition: Used
• OEM Part Number: BK21-B280B62-AA
• Substitutable numbers: BK21B280B62AA, BK21-B280B62-AA, 1771933
• Location on the vehicle: Rear, Left
• Category: Body Mouldings & Trims

Purpose and function of the component

The rear ventilation duct with a grille on the left side is responsible for controlled airflow in the rear part of the body, which affects vehicle comfort and the proper operation of the ventilation system. This element also acts as a cover and trim, protecting the interior of the body from external contaminants and organizing the mounting space.

Thanks to a design tailored to the specific model, the ventilation duct with grille works with factory mounts and seals, which reduces the risk of unwanted vibrations, noise, or leaks. This is particularly important in commercial vehicles, where the rear part of the body is heavily used.

Construction and vehicle fitment

The element has been designed as a component dedicated to a specific body zone – the rear, on the left side. This means that the geometry, mounting points, and shape of the grille are adapted to the factory paneling and vehicle structure. Such a solution facilitates installation and allows for consistency with other trim elements.

As a part from the Protective and decorative strips group, the duct with the grille combines functional and aesthetic features – it organizes edges and technological openings, while simultaneously acting as a barrier against dirt and moisture. The appropriately selected shape of the ventilation openings promotes stable airflow without excessive aerodynamic noise.

Practical application and benefits of replacement

Replacing a damaged or missing ventilation duct with a grille is recommended wherever symptoms appear such as:

• improper air circulation in the rear part of the vehicle,
• increased noise or vibrations in the wheel arch / side panel area,
• visible gaps in the body finish on the rear left side.

Using an original component allows for restoring factory airflow and organizing the mounting zone, which is important for both comfort and the durability of adjacent components. Precise fitment to the specific model reduces the need for modifications and shortens installation time.

Product characteristics and condition

The offered rear ventilation duct with a grille on the left side comes from the vehicle manufacturer's line, which translates into compliance with factory technical documentation and mounting parameters. As a secondary market component, it is intended for users looking for a cost-effective solution while maintaining the original design and compatibility with the body.

Such an approach is particularly beneficial in vehicles used intensively, where functionality, proper fit, and the possibility of quick replacement without additional adaptations are important. The original origin of the component also facilitates the selection of other trim elements in the same vehicle zone.

Body zone expansion and additional information

If you are planning a comprehensive repair or modernization of the side and rear body zone in your Ford and need other elements from the same group, such as covers, overlays, or additional strips, check the available parts in the Ford Protective and decorative strips category.

For users who are considering broader vehicle modifications using secondary market components, practical tips regarding the selection and installation of used subassemblies may be useful – you will find them in the article Tuning with used parts – how to gain performance without spending a fortune, which describes a safe and effective approach to car modernization.