Audi A4 B7 Headlight Wiring Harness Cable Plug Left N/S 8E0941003AK

Audi A4 B7 Headlight Wiring Harness Cable Plug Left N/S is an original electrical system component for the front lighting, designed to support the left headlight in this model. Thanks to factory-spec connector geometry and properly selected cable lengths, it ensures a stable electrical connection and correct operation of the lighting system. It is a practical solution for post-collision repairs, headlight replacement, or damage to the factory wiring harness.

Specifications and technical data

• SKU: 8E0941003AK-2
• Mark: Audi
• Condition: Used
• OEM Part Number: 8E0941003AK
• Substitutable numbers: 8E0941003AK, 8E0 941 003 AK, 0301219601, 0 301 219 601
• Location on the vehicle: Left
• Part type: Headlight Assembly
• Category: Headlight Assemblies

Purpose and function in the Front lights system

The presented wiring harness is a component of the Front lights category and is responsible for supplying power and control signals to the left headlight. A properly selected harness:

• enables the correct operation of all front lighting functions on the driver's side,
• minimizes the risk of installation errors resulting from mismatched connectors,
• facilitates service as it maintains the factory cable routing.

By using an original design, compatibility with the factory electrical system is maintained, which promotes trouble-free installation and limits the need for system modifications.

Vehicle placement and fitment

The wiring harness has been designed specifically for installation on the left side of the vehicle, in the front headlight area. Dedicated vehicle placement means that:

• the cables have the appropriate length for routing through factory mounting points,
• the connectors are positioned in accordance with the manufacturer's original design,
• it is easier to maintain order in the front compartment and avoid cable tension.

Such fitment helps maintain proper protection of the cables against abrasion, moisture, and temperature influences in the headlight area.

Characteristics of the used component

The offered wiring harness is a second-hand market component, which allows for an economical repair of the lighting system while maintaining the original design. In the case of wiring harnesses, it is particularly important that:

• factory connectors are used, compatible with the original headlight and vehicle installation,
• the cables maintain the correct cross-section and insulation selected for the electrical load,
• there is no need to use universal adapters that could compromise connection reliability.

For many users of older models, such a solution represents a reasonable compromise between repair costs and maintaining the factory logic of the electrical system.

Benefits of using an original headlight wiring harness

Using a dedicated left headlight wiring harness in the Audi A4 B7 translates into a number of practical benefits:

• maintaining compliance with the vehicle's factory electrical diagram,
• reducing the risk of faults resulting from unprofessional installation modifications,
• easier diagnostics of potential lighting problems in the future,
• consistency with other components of the Front lights system.

This is particularly important for vehicles where the lighting interacts with advanced onboard electronics and safety systems.

If you are planning a comprehensive repair or upgrade of the front lighting area in your Audi and need other components from the same group, such as lamps, housings, or additional cables, check the available parts in the Audi Front lights category.

In the case of older vehicles, where the availability of new components is sometimes limited, second-hand market solutions can be particularly useful – you can find more on this topic in the article No parts at the dealership? How to handle repairs of older models using dismantled parts.