Ford Fiesta St-3 Mk8 Front Door Lock Barrel Insert Right O/S H1BA-21991-AD

Ford Fiesta St-3 Mk8 Front Door Lock Barrel Insert is an original component from the Door handles group, designed for installation on the driver's side in right-hand drive versions. It ensures precise operation of the locking mechanism, restoring proper and secure opening and closing of the door from the outside.

Specifications and technical data

• SKU: RHD-H1BA-21991-AD
• Mark: Ford
• Condition: Used
• OEM Part Number: H1BA-21991-AD
• Substitutable numbers: H1BA-21991-AD, H1BA21991AD
• Location on the vehicle: Front, Right
• Part type: Door Handle
• Category: Door Handles

Purpose and function of the component

The presented lock barrel insert is dedicated to the front right door of the Ford Fiesta St-3 Mk8 generation, in the right-hand drive version. It is responsible for the mechanical interaction with the key and the external door handle, allowing for manual unlocking of the vehicle even in situations involving issues with the remote control or central locking system. Thanks to its precise fit to the door structure, this component ensures:

• stable seating in the door handle socket,
• correct transmission of the key movement to the lock mechanism,
• consistency with the vehicle's factory security system.

Construction and body fitment

The lock barrel insert has been designed specifically for operation in the front right part of the body, which guarantees compatibility with the door geometry and the door handle mechanism. The design is intended for integration with factory Ford equipment, without the need for modifying mounts or interfering with the door sheet metal. Such a fit translates into:

• easier installation in a workshop or service center,
• preservation of the original door and handle line,
• reduction of the risk of play and improper mechanism operation.

Condition and benefits of using a used part

The item comes from the used Ford parts group, which allows for economical repair while maintaining the manufacturer's original specifications. The lock barrel insert is a suitable choice in the event of mechanical damage, wear of the cylinder, or problems with smooth key rotation. Using an original, used component allows you to:

• maintain compatibility with the factory locking system,
• minimize the risk of fitment issues typical of aftermarket replacements,
• reduce service costs while maintaining high functionality.

Application in service practice

The front right door lock barrel insert is particularly useful for repairs following attempted break-ins, key damage, or mechanism seizure. This part is an essential element for restoring full door operation from the outside, which is important for both user comfort and vehicle security. In workshop practice, installing this type of component allows for:

• restoring lock efficiency without replacing the entire door handle,
• reducing repair time thanks to factory fitment,
• maintaining the consistency of the vehicle's security system.

Related products and selection support

If you are planning a comprehensive repair or upgrade of the door area in your Ford and need other elements from the same group, such as external door handles, lock barrels, or locking mechanisms, check the available parts in the Ford Door handles category. When selecting a used lock barrel insert, it is worth paying attention to compatibility with the specific body version and the installation side. If you want to verify step-by-step how to safely buy used components online, use the advice contained in the article Safe purchase of used car parts online – a step-by-step guide, which discusses, among other things, selection by catalog numbers and practices used in professional workshops.