Audi A4 B9 Rear Hatch Bootlid Tailgate Lock Actuator Mechanism 3V5827887B

Audi A4 B9 Rear Hatch Bootlid Tailgate Lock Actuator Mechanism is an original component from the Locks and Latches group, designed for the rear of the vehicle body. It ensures precise closing of the trunk lid, improving user comfort and the stability of the closure. This is a solution for users who expect a proven design and reliable mechanism performance in daily operation.

Specifications and technical data

• SKU: 3V5827887B-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 3V5827887B
• Substitutable numbers: 3V5827887B, 3V5 827 887 B
• Location on the vehicle: Rear
• Category: Exterior Locks & Lock Hardware

Purpose and function of the tailgate lock actuator

The presented lock is designed for installation in the rear of the vehicle, where it is responsible for the controlled closing of the trunk lid. The actuator mechanism reduces the need to slam the lid shut, which limits stress on the body panels, hinges, and seals. As a result, the locking system operates more quietly, and the lid remains securely latched even with frequent opening and closing.

The component is particularly useful in vehicles used intensively – on the road, in the city, or in fleet applications – where the repeatability and reliability of the lid closure are important for the safety of the transported cargo.

Construction and technical characteristics

The tailgate lock actuator uses an integrated locking mechanism that works with the vehicle's electrical system and the lid guide. The design provided by the manufacturer ensures:

• stable retention of the lid in the closed position,
• smooth movement of working components,
• proper guidance of the lock tongue relative to the striker,
• maintenance of the correct closing geometry in the rear of the vehicle body.

Its placement on the vehicle in the rear body area allows for direct interaction with the trunk lid and the cargo area seal. Thanks to the factory design, compatibility with original mounts and the vehicle's wiring harness is maintained.

Benefits of using an original lock

Using an original lock actuator in an Audi A4 B9 translates into a number of practical advantages:

• Better user comfort – the lid closes with less effort, which is noticeable especially when using the trunk frequently.
• Noise reduction – the lack of need to slam the lid hard reduces the sound level both inside and outside the vehicle.
• Reduced load on body components – gentler closing reduces stress acting on hinges, panels, and seals.
• Consistency with the factory locking system – compatibility with other elements of the vehicle's locking and security system is maintained.

For users looking for other locking system components, it may be useful to browse the full offer in the Locks and Latches category, which will make it easier to complete all necessary components in one place.

Condition, origin, and practical application

The offered lock is a part sourced from dismantling, which allows for the economical restoration of the locking system's efficiency while maintaining the factory design. This type of solution is often chosen for post-accident repairs, replacing worn-out mechanisms, or addressing issues with lid closing resulting from daily wear and tear.

In practice, installation involves replacing the existing lock with a component of the same specification, while maintaining the original mounting points. This allows for restoring the original operation of the system without the need for modifications to the body or electrical installation.

If you are considering broader use of parts from the secondary market, it is worth checking out the tips on selecting used electronic and mechanical components in the article: The second life of electronics – when is it worth choosing used controllers and modules in a car. You will find practical tips there that help you make informed choices when selecting used vehicle equipment components.

Summary of application in Audi A4 B9

Audi A4 B9 Rear Hatch Bootlid Tailgate Lock Actuator Mechanism is a functional component of the rear body locking system that improves the convenience of using the trunk and the stability of the lid closure. The original design, tailored to the specific model, facilitates installation and allows for restoring the proper operation of the mechanism without compromises in terms of fitment or the operation of the locking system. It is a sensible choice for repairs, upgrades, or preventive replacement of worn-out tailgate components.