Range Rover L405 Rear Door Lock Actuator Unit Soft Lock Right O/S CK52-218A42-BE

Range Rover L405 Rear Door Lock Actuator Unit Soft Lock Right O/S is an original component from the Door handles group, designed for precise integration with the door lock mechanism in the rear section of the vehicle body. The soft-close actuator ensures comfortable door closing, improves daily usability, and helps maintain the correct fitment geometry of the door panel against the body.

Specifications and technical data

• SKU: CK52-218A42-BE
• Mark: Land Rover
• Condition: Used
• OEM Part Number: CK52-218A42-BE
• Substitutable numbers: CK52-218A42-BE, CK52218A42BE, LR108981, CK52-218A42-BF, CK52218A42BF
• Location on the vehicle: Rear, Right
• Part type: Door Handle
• Category: Door Handles

Purpose and function in the vehicle

The presented lock actuator is designed for installation in the rear right section of the vehicle, where it works in conjunction with the lock and door mechanism. It is responsible for the controlled pulling of the door after it has been latched, which reduces the need for slamming the door and helps maintain a stable position for the seals and the lock. This component is particularly important in Range Rover class vehicles, where high standards of door operation, consistent closing, and the reduction of vibrations and unwanted play within the bodywork are expected.

Construction and technical fitment

The lock actuator has been designed as an original part by Brand: Land Rover, which ensures proper fitment to factory mounting points and compatibility with the vehicle's standard installation. The construction is prepared to work with the factory lock and electrical harness, ensuring that the installation process is orderly and predictable. The placement on the vehicle, specified as the rear right side, allows for clear identification of the mounting position and reduces the risk of errors when selecting parts. This is especially important in professional service centers, where repeatability and compliance with technical documentation are essential.

Condition, origin, and service application

The offered actuator comes from the used parts group, which allows for economical repair while maintaining the manufacturer's original specifications. This type of solution is often chosen by service centers specializing in the Land Rover brand, where both structural compatibility and rational maintenance costs are prioritized. This component is suitable for:

• repairing a faulty rear right soft-close actuator,
• restoring proper door closing after a collision or bodywork intervention,
• comprehensive renovation of the door zone in the Range Rover L405.

Benefits of using an original actuator

Using an original lock actuator in the Range Rover L405 allows for maintaining the structural integrity of the entire door system. Proper fitment to factory components reduces the risk of improper closing, excessive play, or premature wear of the lock and hinges. Choosing parts from this group also means:

• maintaining the predictable operation of the soft-close mechanism,
• easier diagnostics in the future thanks to compliance with service documentation,
• the possibility of direct replacement without the need for installation modifications.

Related components and service knowledge development

If you are planning a comprehensive repair or upgrade of the door zone in your Land Rover and need other elements from the same group, such as lock mechanisms, cylinders, or external handles, check the available parts in the Land Rover Door handles category. To expand your knowledge about the operation of mechanical systems and the cost-effectiveness of using used parts in premium class cars, it is also worth reading an article describing typical faults and repairs in another popular engine – BMW N47 timing chain – typical failure and repair using original BMW parts. This helps to better understand how important the proper selection of components is in advanced vehicle constructions.