Audi A4 B7 Trunk Lock Tailgate Boot Latch Catch Mechanism Rear 107827573BD

Audi A4 B7 Trunk Lock Tailgate Boot Latch Catch Mechanism Rear is a precision locking mechanism designed for the rear of the vehicle, responsible for the secure closing and reliable retention of the trunk lid. This component from the Trunk lids and rear parts group ensures proper cooperation with the factory lock, actuators, and vehicle wiring, restoring correct operation of the tailgate. It is a solution for users looking to resolve issues with improper closing, looseness, or lack of response from the lock in their Audi.

Specifications and technical data

• SKU: 107827573BD-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 107827573BD
• Substitutable numbers: 107827573BD, 107 827 573 BD
• Location on the vehicle: Rear
• Category: Boot & Hatch Lids

Purpose and function in the vehicle

The presented lock mechanism operates in the rear part of the body, in the tailgate area, and is responsible for the mechanical locking and unlocking of the lid. A properly functioning lock:

• stabilizes the tailgate while driving, eliminating unwanted vibrations and noise,
• ensures proper closing, which affects the tightness of the rear part of the body,
• works with the factory opening and closing system, including operation from inside the vehicle.

Thanks to the preservation of the original geometry and mounting points, installation in the rear zone of the body is predictable and does not require any modifications to the tailgate structure.

Construction and fitment for Audi A4 B7

The mechanism has been designed specifically for the Audi A4 B7 generation, which translates into factory-perfect fitment for the lock and tailgate catch. The construction includes the lock body with a movable latch and mounting sockets that work with the original screws and body components.

Such a solution allows for maintaining:

• the correct closing line of the tailgate relative to the fenders and bumper,
• proper force distribution during closing and opening,
• consistency with factory adjustment settings in the rear part of the vehicle.

Benefits of using a pre-owned trunk lock

Choosing an original, pre-owned trunk lock mechanism for an Audi allows you to combine reasonable costs with maintaining the parameters specified by the manufacturer. This type of component:

• maintains compatibility with the factory catch, actuators, and electrical harness,
• reduces the risk of adjustment problems typical of replacements with different geometry,
• allows for restoring the correct operation of the tailgate without interfering with the body structure.

For users struggling with problems such as spontaneous opening, failure to close, or the need to press the tailgate hard, replacing the mechanism with a functional unit is one of the most effective service solutions.

Practical installation tips

Due to its factory design for the rear of the vehicle, the lock can be installed using standard mounting points in the trunk lid. In practice, this means:

• removing the internal tailgate upholstery to gain access to the mechanism,
• disconnecting the rods or levers and the electrical connector (if present in the car's configuration),
• replacing the lock with a new unit while maintaining the assembly sequence of the components.

After installation, it is worth verifying the closing line and the smoothness of the mechanism's operation to ensure comfortable trunk usage in daily life.

Expanding service work in the rear of the vehicle

If you are planning a comprehensive repair or upgrade of the rear zone in your Audi and need other components from the same group, such as tailgate hinges, lifting actuators, or additional mounts, check the available parts in the Audi Trunk lids and rear parts category.

For drivers interested in a broader look at upgrades and component replacements in VAG group cars, an article discussing design changes and the selection of used parts in a popular sports model may be helpful – more information can be found in the material Hot-hatch legend: the evolution of the VW Golf GTI from Mk1 to Mk8 – design changes and VW car parts.