Mini One Cooper R55 R56 R57 R58 LCi Door Lock Front Right O/S Key Set 7074428

The Mini One Cooper R55 R56 R57 R58 LCi Front Right Door Lock Key is an original part from the locks and latches category, designed for the front right door in select Mini models. It allows for the preservation of factory functionality for locking and unlocking the door with a key, ensuring consistency with the vehicle's original security system.

Specifications and technical data

• SKU: 7074428-1
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 7074428
• Substitutable numbers: 51217074428, 7074428, 51211501770, 1501770
• Location on the vehicle: Front, Right
• Category: Exterior Locks & Lock Hardware

Intended Use and Compatibility

The presented door lock is designed for installation in the front right door of Mini One and Cooper cars of the R55, R56, R57, and LCi facelifted R58 generations. Its construction matches the factory solution used by the manufacturer, allowing for the preservation of original mounting geometry and proper cooperation with the handle mechanism and key cylinder.

Thanks to its precise fit for the specific location on the vehicle (front, right side), the lock works with the factory wiring and door mechanics, minimizing the risk of issues with closing, locking, and unlocking the door leaf.

Construction and Function of the Mini Door Lock

This component belongs to the locks and latches group, responsible for the mechanical locking of the door and transmitting motion from the handle and key to the latching mechanism. The lock integrates several key functions within a single housing:

• mechanical locking and unlocking of the door leaf,
• cooperation with the key cylinder in the driver's or passenger's door (depending on the body version),
• stable guidance of the lock bolt relative to the body pillar,
• transferring loads resulting from the door's operation while driving.

This solution helps maintain the consistency of the locking system's operation with the other doors of the vehicle and reduces play and unwanted noises during use.

Benefits of Using an Original Mini Lock

Using an original door lock in the Mini One/Cooper R55–R58 LCi offers a range of practical operational benefits:

• Factory Fit – compatibility with the door and body pillar structure, without the need for mounting modifications.
• Consistent Key Operation – correct transmission of motion from the cylinder to the locking mechanism, facilitating daily car use.
• Mechanical Stability – appropriately selected gear ratios and working element geometry reduce the risk of the lock jamming.
• Hassle-Free Installation – ability to use existing mounting points and factory routing for rods and cables.

For Mini owners looking to restore proper door function after damage or wear of the factory mechanism, this lock is a practical solution that preserves the original character of the vehicle.

Condition, Origin, and Service Application

The offered lock comes from the Mini OE parts line and is a used component, meaning it has been previously used in a vehicle but is still suitable for further service use. This is a cost-effective option for drivers seeking a factory component within a reasonable budget, while maintaining original construction and body compatibility.

It serves well as a replacement in case of mechanical damage (e.g., after a collision or attempted break-in), as well as for typical wear and tear, when problems arise with closing, locking, or unlocking the doors from the outside.

Selection and Other Mini Locks and Latches

When selecting a door lock for the Mini One or Cooper R55–R58 LCi generation, it is worth paying attention to the mounting side and compatibility with the body version. If you need to expand or comprehensively repair the locking system, you can check the availability of Mini locks and latches in our offer by following the link: Mini locks and latches.

If you are interested in a broader context of car modernization, the impact of replacing wear parts on vehicle handling, and examples of successful modifications in popular models, check out our guide article: The Evolution of the VW Golf GTI and Selecting Used VW Parts.