Audi A4 S4 B7 Front Door Lock Barrel Coil Cylinder Key Fob Right O/S 107837064CD

Used key – requires programming

The key requires programming (coding) by a specialist to be fully functional.

Audi A4 S4 B7 Front Door Lock Barrel Coil Cylinder Key Fob Right O/S is an original component from the Locks and Latches group, designed for installation on the driver or passenger side depending on the market version. It is a practical solution for users who need a proven, factory-spec door lock integrated with a cylinder and remote control support.

Specifications and technical data

• SKU: RHD-107837064CD-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 107837064CD
• Substitutable numbers: 107837064CD, 107 837 064 CD
• Location on the vehicle: Front, Right
• Category: Exterior Locks & Lock Hardware

Purpose and vehicle placement

The presented lock is designed for installation in the front right door, meaning it is responsible for the mechanical and electrical operation of locking and unlocking this part of the bodywork. Placement on the right side is crucial when selecting the component, as the lock design, mounting geometry, and the position of linkages and electrical connectors are specific to that side of the vehicle.

The component works with the factory central locking system and remote control, ensuring consistent operation with the other doors and the trunk lid. This maintains full functionality of the comfort system without the need for any wiring modifications.

Construction and technical function

This door lock combines several key components in one housing:

• a locking mechanism responsible for physically locking and unlocking the door,
• a cylinder (barrel) that works with the key,
• a coil and electronic components related to remote control operation,
• mounting points matched to the structure of the Audi A4 / S4 B7 door.

Such an integrated design facilitates installation and service – you replace the complete module, which, once properly fitted, restores full door locking functionality on the passenger or driver side (depending on the steering wheel version and market).

Benefits of using an original Audi lock

Choosing an original Audi A4 S4 B7 Front Door Lock Barrel Coil Cylinder Key Fob offers several significant advantages compared to aftermarket replacements:

• Factory fitment – compatibility with the door structure, mounting holes, and linkage routing, which reduces the risk of play and improper handle operation.
• Seamless electronic integration – correct communication with the comfort module and central locking system, with no need for wiring harness modifications.
• Stable mechanism operation – predictable locking and unlocking performance, which translates into convenience in daily vehicle use.

This solution is particularly recommended for issues with doors not closing properly, lack of response to the remote control on the right side, or mechanical wear of the cylinder.

Characteristics of the used component

The offered lock is a used original component, meaning it has been removed from a vehicle and retains the factory design intended by the manufacturer. This type of component is a good choice when you want to maintain the original vehicle specification while optimizing repair costs.

Before installation, it is recommended to perform a standard check of the mechanical and electrical condition and compare the shape of the housing and connectors with the lock currently installed in your Audi A4 / S4 B7 to confirm full compatibility.

If you are planning a comprehensive repair or upgrade of the door and lock area in your Audi and need other elements from the same group, such as barrels, latches, or locking mechanisms, check the available parts in the Audi Locks and Latches category.

For drivers considering a wider range of service work on their vehicle and wanting to better understand the selection of used components in other systems, the guide article Standard vs. sports suspension – differences in construction and is it worth buying used suspension parts? may be helpful, as it discusses the practical aspects of choosing used parts in the context of safety and cost-effectiveness.