Door Lock Audi A4 B8 Front Left N/S Latch Catch Actuator 8E2837015AA

The left front door lock for Audi A4 B8 is an original part from the locks and latches category, responsible for precise locking and cooperation with the central locking actuator. This used mechanism ensures proper operation of the driver's side door, maintaining factory performance characteristics and compatibility with the vehicle's electrical system.

Specifications and technical data

• SKU: rhd-8J2837015A
• Mark: Audi
• Condition: Used
• OEM Part Number: 8J2837015A
• Substitutable numbers: 8J2837015A, 8J2 837 015 A
• Location on the vehicle: Front, Left
• Category: Exterior Locks & Lock Hardware

Purpose and Function of the Audi A4 B8 Door Lock

The presented lock is designed for installation in the left front door of the Audi A4 B8 generation. It is responsible for the mechanical locking of the door leaf, cooperation with the external and internal door handles, and for transmitting signals to the comfort system and central locking. The integrated actuator allows for remote opening and closing of the door via the key fob or a button inside the cabin.

Construction and Technical Advantages

The left front door lock for Audi A4 B8 is an OEM construction, designed specifically for the door geometry of this model. This means:

• correct positioning relative to the pillar and striker,
• compatibility with the factory mechanism of handles and rods,
• appropriate mounting points to the door panel,
• designed cooperation with the comfort module and central locking.

Thanks to this, stable operation of the locking mechanism is maintained, as well as correct functioning of comfort features such as remote locking and unlocking, or the open door indicator on the instrument cluster.

Installation and Compatibility

The part is intended for installation in the front – left side of the vehicle. The lock's construction is adapted to the factory mounting holes and the electrical harness in the Audi A4 B8 doors, which facilitates the replacement of a damaged or worn mechanism without the need for modifications. In practice, this means:

• maintaining the original door closing geometry,
• proper closing without excessive force,
• compatibility with the factory safety and comfort system.

A used door lock is a good choice when the existing part has suffered an electrical or mechanical failure, and you want to maintain the original Audi specification at a reasonable repair cost.

Practical Application and Benefits of Replacement

A functional left front door lock is crucial for the safety and convenience of daily vehicle operation. Replacing a damaged part with an original one from the same category allows you to:

• restore proper door locking and unlocking,
• eliminate problems with incomplete closing or spontaneous opening,
• ensure correct cooperation with the central locking and alarm system,
• maintain factory operating parameters of the comfort system.

For workshops and individual users, this means faster diagnostics, simpler installation, and a lower risk of fitting issues compared to aftermarket parts of uncertain origin.

Other Audi Locks and Latches

If you are looking for other Audi locks and latches for your car, check out the dedicated category: Audi locks and latches. There you will find a wide selection of locking elements for various models of this brand, which will make it easier to choose the right component for a specific body version and vehicle side.

For a comprehensive approach to vehicle servicing, including selecting parts by catalog numbers and diagnosing systems, the technical guide: fuel system – injectors, pumps, and fuel tank: maintenance and repair may be helpful. The article discusses the operating principles of components, part selection by numbers, and practical operational tips that may also be useful when planning other repairs on the car.