Audi A4 B9 Tailgate Lock Boot Trunk Rear Latch Mechanism 8W0827503

Audi A4 B9 Tailgate Lock Boot Trunk Rear Latch Mechanism is an original component from the Tailgates and rear parts group, designed for installation in the rear section of the vehicle body. The mechanism ensures secure locking of the trunk lid, stable operation of the closing system, and proper interaction with the Audi body electrical system.

Specifications and technical data

• SKU: 8W0827503
• Mark: Audi
• Condition: Used
• OEM Part Number: 8W0827503
• Substitutable numbers: 8W0827503, 8W0 827 503
• Location on the vehicle: Rear
• Color: Black
• Category: Boot & Hatch Lids

Purpose and function of the mechanism

The presented lock is the component responsible for the mechanical latching of the trunk lid in the Audi A4 B9 generation. It operates in the rear zone of the vehicle body, working in conjunction with hinges, actuators, and the body electrical system, ensuring the lid is securely closed while driving and when parked.

The black color of the housing allows for aesthetic integration of the mechanism into the vehicle's rear structure without interfering with the body styling. Using an original Audi solution helps maintain the factory performance parameters of the closing system.

Construction and technical features

The trunk lid lock has been designed as a component mounted in the rear part of the vehicle, taking into account the loads resulting from frequent opening and closing. The design provides for cooperation with factory guides and the lid striker, which reduces the risk of play and leaks.

The black housing facilitates integration with factory panels and trim, and the mounting solutions used allow for precise adjustment of the lock position relative to the lid. This makes it possible to achieve consistent closing and reduce unwanted noise while driving.

Benefits of using an original lock

• Factory fit – the mechanism has been developed for a specific Audi platform, which promotes proper alignment with the trunk lid and body components.
• Stable operation of the closing system – proper latching of the trunk lid reduces the risk of accidental opening and improves the acoustic comfort of the interior.
• Consistency with the original installation – using an OEM part facilitates installation and integration with existing components in the rear zone of the vehicle.
• Aesthetic integration – the black finish of the housing allows for a uniform appearance of components within the trunk lid area.

Selection, installation, and application

When selecting a trunk lid lock for an Audi A4 B9, it is worth verifying compatibility with the specific body version and vehicle equipment using the manufacturer's markings and catalog data. The used OEM component allows for maintaining the factory geometry of the mounts, which facilitates installation in the rear part of the body.

Installation by a person with experience in working with body components is recommended to correctly set the position of the lock relative to the lid striker, ensure smooth closing, and avoid excessive stress within the trunk lid area.

If you are planning a comprehensive repair or upgrade of the rear body zone in your Audi and need other elements from the same group, such as lid hinges, lifting actuators, or mounting strips, check the available parts in the Audi Tailgates and rear parts category.

Support in selecting original Audi parts

When working with body components and lock mechanisms, it is particularly important to correctly match the part to the specific vehicle version. The manufacturer's markings and catalog data are helpful in selecting Audi components, which allow for reducing the risk of installation incompatibility.

If you want to better understand the specifics of original Audi solutions and the principles of selecting used OEM components by manufacturer markings, it is worth reading the guide Audi five-cylinder engine – a legend from Quattro to RS3 and how to take care of it using original Audi parts, which discusses practical aspects of part identification and selection.