Audi A4 B8 Saloon Rear Left N/S Trunk Lid Tail Light Lamp 8K5945093D

Visual condition of the part

The product shows signs of use visible in the photos.

Audi A4 B8 Saloon Rear Left N/S Trunk Lid Tail Light Lamp is an original component from the Rear lights and brake lights group, designed for installation in the rear section of the vehicle body. It ensures proper light signaling while maintaining the factory styling line and optical consistency with the vehicle's other lamps. This is a solution for users who want to restore full lighting functionality without compromising on fitment.

Specifications and technical data

• SKU: 8K5945093D-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K5945093D-1
• Substitutable numbers: 8K5945093D, 8K5 945 093 D, 8K5945093
• Location on the vehicle: Rear
• Category: Rear Light Assemblies

Purpose and function in the vehicle

The presented lamp is a component mounted within the trunk lid on the left side, in the rear zone of the body. It is responsible for the vehicle's rear visibility and clear signaling of maneuvers, which has a direct impact on driving safety in both urban and extra-urban traffic. The lamp's construction has been designed to work with the factory Audi electrical system, which allows for the correct operation of position and brake lights.

Construction and fitment for Audi A4 B8 Saloon

Audi A4 B8 Saloon Rear Left N/S Trunk Lid Tail Light Lamp is a part developed specifically for the saloon body, with geometry matched to the trunk lid contours. This means proper alignment with the body panels and adjacent lighting elements, without the need for modifications or adjustments to the mounts. The optics used and the lens division are consistent with the factory Audi design, ensuring that a uniform light line of the entire rear of the vehicle is maintained after installation.

The lamp belongs to the Rear lights and brake lights group, which means it has been designed with proper light distribution and compliance with homologation requirements for rear lighting in mind. The design provides for compatibility with the serial wiring and connectors used in this model, which facilitates installation and reduces the risk of installation errors.

Condition, origin and benefits of using a used part

The offered lamp comes from the used parts segment, which allows for economical vehicle repair while maintaining the manufacturer's original specifications. Choosing a component from the secondary market is particularly beneficial in the case of post-accident repairs or replacing damaged lighting, where compliance with the factory design and reasonable cost are priorities. A used tail light retains factory dimensions, mounting points, and optical characteristics, which translates into predictable installation and proper operation in daily use.

Safety, visibility and operational aspects

Properly functioning rear lighting is crucial for safety – both during the day and at night. Using an original tail light in an Audi allows for maintaining the correct light intensity and clear division of light functions, which makes it easier for other road users to assess the driver's distance and intentions. Stable mounting in the rear of the vehicle reduces the risk of vibrations and leaks, thereby affecting the durability of the entire lighting assembly.

For the user, this means:

• a consistent appearance of the rear body section after repair,
• preservation of the factory lighting characteristics,
• no need for electrical system adaptation.

Expansion and selection of elements from the same group

If you are planning a comprehensive repair or modernization of the rear lighting zone in your Audi and need other elements from the same group, such as combination lamps, light modules, or additional brake lights, check the available parts in the Audi rear lights and brake lights category.

Technical support and expertise

When planning broader service work, it is worth using reliable sources of knowledge regarding diagnostics and component refurbishment. A good example of such material is an article describing in detail the process of restoring the efficiency of a diesel unit, available at the link The second life of the Mercedes OM642 engine – how injectors and a turbocharger restore the power of the 3.0 V6 CDI. Although it concerns a different system, it shows an approach to comprehensive service and can be an inspiration when planning your own service work.