Volkswagen Passat B7 Front Door Wiring Loom Right Driver's Side O/S 3AC971120R

Volkswagen Passat B7 Front Door Wiring Loom Right Driver's Side is a component from the Modules and wiring looms category, designed for the driver's side door (O/S). The original design ensures proper routing of electrical signals between the door and the body harness, which translates into stable operation of the electrical system in the front right zone. This is a solution for users who want to restore the correct operation of factory functions without compromising on fitment.

Specifications and technical data

• SKU: RHD-3AC971120R
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 3AC971120R
• Substitutable numbers: 3AC971120R, 3AC 971 120 R
• Location on the vehicle: Front, Right
• Category: Wiring, Harnesses & Connectors

Purpose and function in the Passat B7 installation

The presented wiring loom is designed for installation in the front right door of the Volkswagen Passat B7 model, on the driver's side for right-hand drive versions. It is responsible for the electrical connection between the door and the rest of the vehicle's installation, enabling the correct operation of components located in the door, such as controls or power supply for individual sub-assemblies.

Thanks to the factory wire routing and properly selected connectors, the wiring loom allows for maintaining the correct installation path, reducing the risk of abrasion, and ensuring stable electrical parameters during daily use.

Construction and body fitment

As a component from the Modules and wiring looms group, the product has been constructed with a specific location in the vehicle in mind – in the front, right part of the body. The connectors used are factory-matched to the sockets in the door and the pillar, which facilitates installation and minimizes the risk of connection errors.

The wires are organized into an orderly loom, which promotes installation clarity and facilitates service. The appropriate length and routing shape allow for correct placement in the grommet between the door and the body, without excessive tension or twisting.

Use of a used part in the electrical installation

The element comes from the used parts group, which allows for an economical repair while maintaining the manufacturer's original specifications. In the case of door wiring looms, it is particularly important to maintain structural compatibility with the factory system – a used OEM wiring loom meets this requirement, ensuring the correct placement of connectors and wires.

Before installation, it is recommended to perform a standard inspection of the insulation and connector contacts so that the vehicle's installation works stably and without interference. A properly selected wiring loom allows you to avoid modifying the installation, soldering additional sections, or using adapters.

Selection by numbers and purchase support

To ensure full compatibility with a specific version of the Passat B7 equipment, it is worth verifying the part's compatibility by OEM number or by matching it to the vehicle's configuration. In case of doubt, comparing the connectors used and the location of the wiring loom in the car may be helpful.

If you want to better understand how to safely use used electrical installation elements, including modules and sensors, you will find practical tips in the Global Parts guide: Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?

Expanding the installation within Volkswagen modules and wiring looms

If you are planning a comprehensive repair or modernization of the electrical installation area in your Volkswagen and need other elements from the same group, such as additional wiring looms, connectors, or control modules, check the available parts in the Volkswagen modules and wiring looms category.