Volvo V40 Boot Trunk Lid Tailgate Lock Actuator Catch Latch Mechanism 31335870

Volvo V40 Boot Trunk Lid Tailgate Lock Actuator Catch Latch Mechanism is an original component from the Locks and Latches group, designed for the precise operation of the tailgate in the Volvo V40 model. This used OEM component ensures proper compatibility with the factory electrical system and tailgate mechanics, resulting in secure closing and trouble-free opening of the trunk.

Specifications and technical data

• SKU: 31335870
• Mark: Volvo
• Condition: Used
• OEM Part Number: 31335870
• Substitutable numbers: 31335870, 01042075001
• Part type: Tailgate Lock
• Category: Exterior Locks & Lock Hardware

Purpose and function in the tailgate system

The presented latch mechanism with an actuator is responsible for the controlled locking and unlocking of the tailgate in the Volvo V40. The assembly combines a mechanical part (latch) and an actuating element (actuator), allowing it to work with both the central locking system and the tailgate release button. A properly functioning tailgate lock is crucial for:

• secure closing of the tailgate while driving,
• stable retention of the tailgate in the closed position,
• correct operation of the central locking system and open-door signaling,
• comfortable access to the luggage compartment.

Assembly construction: lock, actuator, latch mechanism

Several cooperating components are combined into a single assembly, which simplifies installation and maintenance. The mechanical latch is responsible for physically holding the tailgate, while the actuator controls the locking and unlocking process according to signals from the vehicle's electrical system. This solution reduces play, minimizes the risk of improper closing, and ensures repeatable system operation. Thanks to the factory OEM design, the lock maintains the correct geometry relative to the striker on the body, which facilitates adjustment and allows for even contact between the tailgate and the seals. This, in turn, helps reduce noise, vibrations, and potential leaks in the rear part of the body.

Benefits of using an original Volvo V40 tailgate lock

Choosing an original lock with an actuator for the Volvo V40 is a solution that allows you to maintain consistency with the vehicle's factory design. The component from the Locks and Latches group was designed specifically for this model, which translates into:

• proper fitment to the mounting points in the tailgate and body,
• correct compatibility with the wiring harness and central locking controller,
• stable operation under typical operating conditions (temperature changes, humidity),
• reduced risk of comfort system errors related to incorrect open/close signals. A used OEM component is a reasonable compromise between cost and quality – you retain the original construction while avoiding typical problems associated with cheap replacements, such as unstable actuator operation or rapid wear of the latch mechanism.

Condition, fitment, and service application

The offered tailgate lock is a used part, which means it comes from disassembly and has been verified for further use. This type of component is particularly useful for:

• repairing a faulty tailgate central locking system,
• resolving issues with the trunk not closing or opening spontaneously,
• restoring full functionality of the tailgate after a collision or bodywork intervention. Thanks to the original mounting design, the lock can usually be installed in place of the old component without the need for modifications to the body or electrical system, which shortens workshop time and reduces the risk of additional faults.

Support in selection and additional information

If you are planning a comprehensive repair or upgrade of the tailgate area in your Volvo and need other components from the same group, such as strikers, cylinders, or additional soft-close mechanisms, check the available parts in the Volvo Locks and Latches category. If you are considering the choice between a used OEM component and a cheap replacement and want to better understand the potential risks, it is worth reading the article describing the hidden costs of budget parts: Cheap automotive replacement parts – hidden defects and costs.