Volkswagen Polo 9N Rear Door Speaker Wire Harness Left Right N/O/S 6Q4971161A

Volkswagen Polo 9N Rear Door Speaker Wire Harness Left Right is an original electrical installation component designed for powering and connecting speakers in the rear doors. Thanks to its factory-fit design for the specific Volkswagen Polo 9N model, the harness ensures secure connections, stable operating parameters, and proper integration with the factory audio system. It is a practical solution for post-collision repairs, door replacements, or restoring the functionality of the factory sound system.

Specifications and technical data

• SKU: 6Q4971161A
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 6Q4971161A
• Substitutable numbers: 6Q4971161A, 6Q4 971 161 A, 6Q4 971 125 AC, 6Q4971125AC
• Location on the vehicle: Rear, Right, Left
• Category: Other Starters, Alternators, ECUs & Wiring

Purpose and vehicle placement

The presented harness is designed for installation in the rear doors on both the left and right sides, allowing for the operation of both rear-axle speakers in one cohesive solution. Its placement within the door area means the component is responsible for the direct connection between the speaker and the vehicle's wiring, ensuring proper cable routing and correct connectors for factory plugs. By maintaining the original cable routing geometry, the harness facilitates the correct installation within the door, minimizing the risk of chafing, looseness, or improper door panel closure. This is particularly important during professional body repairs or complete door replacements.

Benefits of using an original harness

Using a factory speaker harness in a Volkswagen Polo 9N avoids the need for custom wiring, soldering, or using universal connectors that can degrade connection quality. The original design ensures:

• consistent fitment with factory speakers and electrical installation,
• stable connections using serial connectors,
• easier assembly and disassembly during service,
• maintenance of aesthetics and order within the door cavity. This solution is particularly beneficial for accident repairs, restorations, and restoring the original audio configuration after previous modifications.

Component condition and service application

The harness is a salvaged part, making it an attractive cost-effective alternative to new components while maintaining factory design and compatibility. This type of element is often chosen by workshops specializing in the Volkswagen brand as well as by users servicing their own cars who expect parts consistent with factory assembly standards. In practice, the harness is suitable both for replacing a damaged section of the door wiring and for completing missing components after replacing upholstery or doors with used ones. Maintaining the original wiring layout facilitates trouble-free diagnostics of any potential future faults.

Integration with other installation components

The component works with the factory sound system and the rest of the rear body electrical installation. With proper installation, it is possible to maintain the serial operating parameters of the speakers without the need to modify main harnesses or control modules. This is especially important in vehicles where compliance with service documentation and electrical diagrams is a priority. If you are planning a comprehensive repair or upgrade of the door electrical installation zone in your Volkswagen and need other components from the same group, such as wires, connectors, or additional installation sections, check out the available parts in the Other Volkswagen category.

Technical support and additional information

When planning the expansion or repair of systems related to sound and performance, it is worth expanding your knowledge about the structural differences between individual model versions. You may find the article describing the differences in the construction of engines, brakes, and chassis in sports variants helpful, available here: Audi RS vs other models – what is hidden under the hood and chassis?.