Ford Ranger Mk4 Door Lock Catch Latch Mount Bar Front Right O/S AB39-2121978-AC

Ford Ranger Mk4 Door Lock Catch Latch Mount Bar Front Right O/S is a component from the Locks and Latches group, designed for the front right door of the fourth-generation Ford Ranger. It is responsible for the stable support and proper positioning of the lock catch, which translates into secure door closing and correct operation of the locking mechanism. Using an OEM component is a sensible choice for maintenance repairs and restoring the factory functionality of the door.

Specifications and technical data

• SKU: CM5A-A21812-CA
• Mark: Ford
• Condition: Used
• OEM Part Number: CM5A-A21812-CA
• Substitutable numbers: 2113088, CM5A-A21812-CA, CM5AA21812CA, CM5A-A21812-CB, CM5AA21812CB, AB39-2121978-AC, AB392121978AC
• Location on the vehicle: Front, Right
• Part type: Door Lock
• Category: Exterior Locks & Lock Hardware

Purpose and function in the vehicle

The described lock catch mount bar is dedicated for installation in the front right door area of the Ford Ranger Mk4. Its task is to maintain the catch in a precise position relative to the door lock, so as to:

• ensure repeatable, secure closing of the door leaf,
• maintain the correct operating geometry of the locking mechanism,
• minimize play and unwanted noises while driving,
• maintain door tightness in terms of acoustics and protection against external conditions. The location on the vehicle specified as front – right side allows for unambiguous identification of the installation position and reduces the risk of error when selecting parts.

Construction and fitment for Ford Ranger Mk4

The mount bar has been designed as an original Ford component, which means maintaining factory mounting points and compatibility with the door pillar and lock construction. Thanks to this:

• it fits the mounting holes provided by the manufacturer,
• it does not require bodywork modifications or custom adapters,
• it maintains the correct position of the catch relative to the lock and hinges. Such fitment is particularly important in commercial vehicles, where doors are intensively used, and the repeatability of closing affects the comfort and durability of the entire structure.

Use of a pre-owned OEM component

Choosing a pre-owned lock catch mount bar for the Ford Ranger Mk4 is a practical solution for post-accident repairs, replacement after corrosion, or mechanical damage. An original component from dismantling allows you to:

• maintain the factory operating characteristics of the lock and door,
• reduce costs compared to a new part,
• avoid fitment problems typical of low-quality replacements. This is a good solution both for workshops specializing in the Ford brand and for users servicing their vehicles themselves.

Practical installation tips

When replacing the mount bar, it is worth paying attention to:

• checking the condition of the door lock and hinges – excessive play may require additional adjustment,
• correct alignment of the door relative to the body after installation,
• checking the operation of the locking mechanism through several opening and closing cycles. Precise installation of this element affects the comfort of door usage, reduces rattling, and improves the overall impression of the vehicle's solidity.

Expansion of the lock system in Ford

If you are planning a comprehensive repair or upgrade of the door lock area in your Ford and need other elements from the same group, such as catches, latches, or lock mechanisms, check the available parts in the Ford Locks and Latches category.

Inspiration and vehicle equipment development

If you are interested in a broader approach to car modernization using components from dismantling, it is worth learning about the idea of professional vehicle retrofitting. Practical tips and examples of applications can be found in the article on retrofitting and upgrading cars using used parts from higher versions, which shows how to consciously plan such modifications.