Audi Q7 4L Rear Door Lock Left N/S Actuator Mechanism Latch 3C4839015C

Audi Q7 4L Rear Left Door Lock Assembly is an original part from the Locks and Latches category, designed for installation in the rear left door of the vehicle. Engineered as a factory locking mechanism for Audi, it ensures precise integration with the electrical system and the door opening and closing system. This is a practical solution for users who want to restore full door functionality without compromising on fit.

Specifications and technical data

• SKU: 3C4839015C
• Mark: Audi
• Condition: Used
• OEM Part Number: 3C4839015C
• Substitutable numbers: 3C4839015C, 3C4 839 015 C
• Location on the vehicle: Rear, Left
• Category: Exterior Locks & Lock Hardware

Vehicle Application and Placement

The presented lock is dedicated for installation in the rear left part of the body, meaning it is responsible for the correct locking and unlocking of the left rear door. Thanks to its factory design, compatibility is maintained with:

• internal and external door handle mechanisms,
• door rods and guides,
• central locking control system.

Such a fit minimizes the risk of issues with door closing, play, or improper latch operation after installation.

Door Lock Construction and Function

The lock belongs to the group of components responsible for secure door locking and cooperation with the central locking system. The construction includes a mechanical assembly with a latch and a part responsible for interacting with the actuator and position sensors. This allows the module to transmit information about the door's status (open/closed) to the vehicle's system, which is important for, among others:

• the open door indicator on the instrument cluster,
• interior lighting operation,
• proper functioning of comfort systems.

A properly selected lock minimizes the risk of body electronics errors and door closing issues during daily operation.

Benefits of Using an Original Audi Lock

Using a factory lock in the Audi Q7 4L allows for maintaining the parameters specified by the vehicle manufacturer. The most important advantages of this solution include:

• precise door fit – no need for modifications to mounts or rods,
• seamless integration with the existing electrical system,
• preservation of the factory operating characteristics of the locking mechanism.

For workshops and users, this means shorter installation times and a lower risk of complaints related to improper lock operation after replacement.

Condition and Service Application

This part comes from a used vehicle, making it an attractive alternative to new parts while maintaining the functionality required for everyday use. This type of lock is particularly suitable in situations where:

• the original mechanism has stopped locking or unlocking the door,
• there are problems with opening the door from the inside or outside,
• a complete lock replacement is necessary after a collision or body repair.

A well-chosen used lock allows for restoring door functionality at a controlled repair cost, without compromising on the factory design.

Part Selection and Related Products

To ensure the selected lock is suitable for your specific Audi version, it is advisable to verify its compatibility with your vehicle's documentation and the existing mechanism in the door. Manufacturer markings, vehicle placement information, and the category in which the part is classified can be helpful. If you need other components responsible for door locking and latching in this brand's vehicles, check the available parts in the Audi Locks and Latches category.

For extensive body and associated system repairs – such as safety systems or vehicle electronics integration – knowledge about the impact of engine operating temperature and auxiliary equipment on component durability may also be useful; you can find more practical information in the article Engine Cooling System – Overheating, Repair, and Used Radiators.