Audi A3 8L Front Door Lock Catch Actuator Passenger Side N/S 8L2837015D

Audi A3 8L Front Door Lock Catch Actuator Passenger Side N/S is a factory-original locking mechanism component designed for installation on the passenger side of the front bodywork. As part of the Interior locks and latches group, it ensures proper closing, locking, and unlocking of the door, supporting safe vehicle operation and correct integration with the central locking electrical system.

Specifications and technical data

• SKU: RHD-8L2837015D
• Mark: Audi
• Condition: Used
• OEM Part Number: 8L2837015D
• Substitutable numbers: 8L2837015D, 8L 283 701 5D
• Location on the vehicle: Front
• Part type: Door Lock Knob
• Category: Interior Locks & Lock Hardware

Purpose and function in the vehicle

The presented lock is dedicated to the front passenger door of the Audi A3 8L generation model. It is responsible for precise latching of the door, interaction with the interior and exterior handles, and transmitting signals to the central locking system and convenience electronics. A properly functioning mechanism ensures:

• stable door closing without play or jamming,
• secure vehicle locking when using the remote or key,
• consistent operation with other locks in the car,
• maintenance of the factory logic of the convenience system.

Construction and technical characteristics

The component combines a mechanical part responsible for latching and an electrical part acting as an actuator and signal module. The design was developed by the manufacturer specifically for this model, ensuring correct mounting points, geometry for handle interaction, and appropriate electrical connectors. Using an original solution allows for maintaining:

• factory fitment with the door panel and window guide,
• correct positioning of control rods and cables,
• compatibility with the door wiring harness,
• the appropriate operating sequence during opening and closing.

Benefits of using an original lock

Choosing an original Audi front door lock helps avoid problems typical of universal aftermarket replacements. The component is matched to the specific body version, which reduces the risk of leaks, improper closing, or central locking errors. Key advantages include:

• maintenance of factory operating parameters for the latching mechanism,
• consistency with the vehicle's safety and convenience systems,
• easier diagnostics in the event of potential faults,
• no need for modifications to mounts or the electrical harness.

Condition, installation, and service application

The offered lock is a removed, used part, making it an attractive service solution for maintenance repairs or restoring door functionality after a collision. Installation takes place in the front part of the body on the passenger side and requires standard service procedures involving the removal of the door trim, disconnecting cables, and the electrical connector. Using an original component facilitates the mechanic's work because:

• mounting points align with factory holes in the door,
• there is no need to adapt the housing shape,
• the electrical connector is compatible with the vehicle's installation,
• the mechanism works with existing handles and the lock cylinder.

If you are planning a comprehensive repair or upgrade of the door area in your Audi and need other components from the same group, such as actuators, latches, or closing mechanisms, check the available parts in the Audi interior locks and latches category.

Additional information and technical support

When selecting used components from the locks and convenience modules group, it is crucial to pay attention to the compatibility of markings, equipment versions, and the vehicle's electrical configuration. In case of doubts regarding compatibility, it is worth using guides on identification by factory numbers, installation methods, and typical fault symptoms. Practical tips in this regard can be found in the article: Used automotive electronics – how to safely select second-hand modules and sensors.