Ford Transit Custom Mk1 Trunk Boot Lock Trim Cover BK21-V431F99-AA

Ford Transit Custom Mk1 Trunk Boot Lock Trim Cover is an original part from the Linings, decorative strips and trims group, designed to protect and provide an aesthetic finish to the tailgate lock area. Designed by the vehicle manufacturer, it ensures proper coverage of the lock mechanism, improves the visual appearance of the cargo area interior, and helps reduce the risk of accidental damage to the locking components.

Specifications and technical data

• SKU: 1773796
• Mark: Ford
• Condition: Used
• OEM Part Number: 1773796
• Substitutable numbers: BK21-V431F99-AA, BK21V431F99AA, 1773796
• Category: Trim

Purpose and function of the trunk lock cover

The trunk lock housing cover in the Ford Transit Custom Mk1 is responsible for an orderly, technically correct finish of the rear cargo space. This component:

• masks the lock mechanism and related components,
• creates a uniform, easy-to-clean surface,
• limits the ingress of dirt into the lock area,
• improves the comfort of daily operation of the commercial vehicle.

Thanks to its factory design, the cover works in harmony with the tailgate structure, maintaining proper rigidity and stable mounting during frequent opening and closing.

Construction and fitment for Ford Transit Custom Mk1

The presented cover has been developed specifically for the first-generation Ford Transit Custom, which translates into a precise fit to the geometry of the tailgate and the lock recess. This means:

• maintaining the correct mounting points on the body,
• consistency of lines with other cargo area trim elements,
• no need for modifications or fitting universal replacements.

Its original origin from the Linings, decorative strips and trims group helps maintain the factory look of the interior, which is important for both fleet vehicles and those used individually.

Condition, service application and installation

The used component is a good solution for maintenance service when the existing cover is cracked, deformed, or mechanically damaged during loading. Replacing it with an original cover allows you to:

• restore the aesthetics of the rear part of the vehicle,
• maintain proper alignment of upholstery edges and linings,
• preserve the functionality of the lock area without interfering with the body structure.

Installation is carried out using factory mounting points, which facilitates service work and reduces vehicle downtime. For workshops servicing Ford commercial vehicles, this is a practical component for quick replacement of damaged trims.

Benefits of using an original Ford cover

Using an original trunk lock housing cover in the Ford Transit Custom Mk1 provides a number of practical benefits:

• Visual interior consistency – maintaining a uniform finish line of the cargo space.
• Protection of the lock mechanism – reducing accidental contact between cargo and locking elements.
• Easier operation – an orderly lock area facilitates daily use of the commercial vehicle.

For users who intensively operate the Transit Custom, especially in goods transport, replacing a damaged cover with an original part helps keep the vehicle in good technical and visual condition, which can be important for future resale.

If you are planning a comprehensive repair or upgrade of the cargo area in your Ford and need other elements from the same group, such as covers, overlays, or additional strips, check the available parts in the Linings, decorative strips and trims Ford category.

For better planning of service work within the drivetrain and informed selection of parts – including used ones – it is worth reading the guide: Clutch and dual-mass flywheel – diagnostics and selection of drivetrain parts.