Audi A1 8X A3 S3 RS3 8P 8V A6 S6 C7 Lumbar Support Harness Loom Wire 3B0972722

Audi A1 8X A3 S3 RS3 8P 8V A6 S6 C7 Lumbar Support Harness Loom Wire is an original component from the Wires, harnesses and connectors group, designed to support the electric lumbar support in the seat. It enables the correct connection between the seat wiring and the vehicle's electrical system, ensuring stable power supply and control signals for the lumbar adjustment mechanism.

Specifications and technical data

• SKU: 3B0972722
• Mark: Audi
• Condition: Used
• OEM Part Number: 3B0972722
• Substitutable numbers: 3B0972722, 3B0 972 722
• Part type: Wiring Pigtail
• Category: Wiring Harnesses, Cables & Connectors

Purpose and function of the harness

The presented harness is dedicated to the lumbar support system in the seats of selected Audi A1, A3, S3, RS3, as well as A6 and S6 C7 generation models. It is responsible for safely routing wires between the seat wiring and the vehicle's main electrical system, which allows for the proper operation of the motors and lumbar support controls.

Thanks to its factory design, the harness maintains the correct wire routing geometry, which reduces the risk of abrasion, looseness, and interference in the operation of the backrest adjustment system. This is a practical solution when replacing a damaged seat installation or when retrofitting the car with adjustable lumbar support.

Construction and technical advantages

The element belongs to the Wires, harnesses and connectors group, which means it has been designed for stable transmission of power and control signals under operating conditions inside the cabin. The connectors used are matched to the factory sockets in the seat and the vehicle's installation, which facilitates assembly and reduces the need for interference with the original wiring.

Key benefits of using this harness include:

• factory fit for seats with electric lumbar support,
• organized wire routing inside the seat,
• reduced risk of connection errors thanks to original connectors,
• possibility to restore full functionality of lumbar adjustment after damage to the old installation.

Application in service and upgrades

The lumbar support harness will work well both for standard seat repairs and for more advanced interior equipment upgrades. It can be used in situations where the factory installation has suffered mechanical damage, overheating, or interference from previous repairs, as well as when installing seats with lumbar adjustment in place of versions lacking this function.

The original Audi origin helps maintain the consistency of the electrical system, which is important for proper cooperation with comfort modules and seat controllers. This minimizes the risk of errors appearing in the diagnostic system and problems with the operation of the backrest adjustment.

Condition of the element and assembly aspects

The product is offered as a used part, which allows for an economical repair of the lumbar support system while maintaining the original specification. Before installation, it is recommended to perform a standard visual inspection of the insulation and connectors, and then route the harness according to the factory path in the seat structure to avoid tension and future damage.

The harness is intended for installation in the factory location, using original mounting points and wire routing. Such a solution facilitates service work and shortens the time required to replace a damaged installation.

If you are planning a comprehensive repair or upgrade of the seat and backrest area in your Audi and need other elements from the same group, such as power cables, seat harnesses, or seat installation connectors, check the available parts in the Audi wires, harnesses and connectors category.

If you are interested in a broader context of using original used parts and want to better understand how they affect the comfort and durability of the vehicle, it is worth reading the article Mercedes – comfort, prestige and durability. Why is it worth choosing original used parts?, which discusses a practical approach to selecting such components.