Audi A7 4G8 A4 B8 Front Lamp Headlight Bulb Cover Left Right N/O/S X4 8K0941159A

Audi A7 4G8 A4 B8 Front Lamp Headlight Bulb Cover Left Right N/O/S is an original component from the Front lights group, designed to secure bulbs in the front headlights. This factory-made cover ensures the lamp is properly sealed, protecting the interior of the headlight from dust, moisture, and other contaminants, which promotes stable lighting performance.

Specifications and technical data

• SKU: 8K0941159-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0941159
• Substitutable numbers: 8K0941159, 8K0 941 159, 1300516099, 1 300 516 099
• Location on the vehicle: Front, Left, Right
• Category: Headlight Assemblies

Purpose and technical function

The front bulb cover in Audi A7 4G8 and A4 B8 models plays a key role in maintaining the headlight's seal. It is responsible for:

• mechanically protecting the bulb from external damage,
• limiting the ingress of moisture into the lamp,
• stably holding the bulb in the correct operating position,
• maintaining proper operating conditions for electrical components within the headlight assembly. By using an original cover, the factory geometry and tightness of the lighting system are preserved, which promotes uniform light distribution and proper interaction with the vehicle's electrical system.

Compatibility and vehicle placement

The component is designed for use in the front of the vehicle, with the possibility of installation on both the left and right sides. This solution simplifies part selection and allows for:

• using a single reference for both sides of the vehicle,
• easier replacement during headlight service,
• maintaining the structural consistency of the entire front lighting system. The cover works with factory Audi headlights, allowing for installation without interfering with the lamp structure or requiring modifications to the wiring.

Characteristics of the original Audi part

As an Audi brand component, the bulb cover was manufactured in accordance with the manufacturer's internal standards regarding thermal and dimensional resistance. This means:

• precise fitment to the headlight socket,
• stable positioning after closure,
• compatibility with factory lamp seals,
• maintenance of operating parameters within typical temperature ranges occurring in the headlight housing. The original design facilitates trouble-free installation and minimizes the risk of leaks that could lead to headlight fogging or premature bulb wear.

Condition, service application, and benefits of installation

The item is offered as a used original part, which represents a reasonable compromise between repair costs and maintaining factory manufacturing standards. In practice, such a cover is suitable in situations where:

• the factory headlight cover has been damaged or lost,
• it is necessary to replace a leaking cover causing lamp fogging,
• the factory state of the lighting system is being restored after bodywork repairs. Installing an original cover helps reduce the risk of lighting issues, such as unstable bulb operation, contact corrosion, or a decrease in lens clarity due to excessive moisture.

Expanding the Audi lighting system

If you are planning a comprehensive repair or upgrade of the front lighting zone in your Audi and need other components from the same group, such as headlights, control modules, or additional mounting accessories, check out the available parts in the Audi Front lights category. If you want to better understand why original used components for premium brands are gaining importance in the context of rising costs of new subassemblies, it is worth reading the market analysis in the article Crisis in the new parts market? Why used originals for premium cars are the hottest trend in 2026, which discusses a practical approach to selecting parts for modern vehicles.