Volkswagen Golf Mk6 5K Rear Tail Light Bulb Holder Socket Left N/S 5K0945257

Visual condition of the part

The product shows signs of use visible in the photos.

Volkswagen Golf Mk6 5K Rear Tail Light Bulb Holder Socket Left N/S is an original lighting system component designed for installation in the rear left tail light of this model. Thanks to its factory-spec design, it ensures reliable signal transmission and stable bulb seating, which translates into trouble-free operation and full compatibility with the vehicle's electrical system. It is a practical solution for repairing a damaged tail light or restoring the lighting system to full functionality.

Specifications and technical data

• SKU: 5K0945257
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 5K0945257
• Substitutable numbers: 5K0945257, 5K0 945 257
• Location on the vehicle: Rear, Left
• Part type: Electrical Connector
• Category: Sockets, Connectors & Wiring

Purpose and function in the lighting system

The rear tail light bulb holder on the left side is responsible for the mechanical mounting of bulbs and their electrical connection to the vehicle's wiring harness. This component operates in an area exposed to vibrations and temperature fluctuations, which is why proper fitment to the lamp and bodywork is crucial for connection durability.

Its placement in the rear of the vehicle on the driver's side ensures support for all lighting functions intended for this lamp – from position lights and turn signals to brake lights (depending on the specific lamp configuration in a given vehicle). A correctly selected holder reduces the risk of looseness, flickering lights, or intermittent power supply issues.

Design within the Wires, Plugs, and Connectors group

The product belongs to the Wires, Plugs, and Connectors group, meaning its primary role is to provide a stable electrical connection between the vehicle's installation and the bulbs. In practice, this means:

• dedicated sockets for specific types of bulbs used in the tail light,
• designed paths and contacts conducting current to individual circuits,
• adaptation for compatibility with the factory Volkswagen wiring harness.

As a result, the holder works with original connectors without the need for installation modifications, soldering, or the use of adapters. This solution is particularly beneficial for vehicle servicing, where assembly repeatability and predictability are essential.

Benefits of using an original Volkswagen holder

Using a component from the same product line as factory Volkswagen parts translates into a number of practical advantages:

• Proper fit for the tail light – the holder has been designed for the specific geometry of the lens and housing, which facilitates installation and minimizes the risk of stress.
• Compatibility with the factory harness – connectors and contacts are prepared to work with original wires, which reduces the possibility of assembly errors.
• Stable operation of the lighting system – proper current flow to individual bulbs promotes uniform light performance and reduces the risk of faults resulting from unstable connections.
• Consistency with other installation elements – maintaining the original electrical architecture facilitates subsequent diagnostics and service.

Application in service practice

The rear tail light bulb holder on the left side is suitable both for typical repairs following mechanical damage to the lamp and for eliminating lighting problems, such as intermittent light failure or bulb error messages. In many cases, replacing the holder itself is a more effective solution than interfering with the wiring harness.

This component is particularly useful in situations where the existing holder has overheated, deformed, or suffered from contact corrosion. Using a dedicated component allows for restoring proper lamp operation without the need to replace the entire lighting assembly.

If you are planning a comprehensive repair or upgrade of the rear lighting zone in your Volkswagen and need other elements from the same group, such as lamp connectors, wiring sections, or connection adapters, check out the available parts in the Volkswagen Wires, Plugs, and Connectors category.

Product condition and the importance of salvaged parts

The offered holder comes from the secondary market, making it an attractive solution for servicing vehicles that are several years old or older. In many cases, such components are harder to obtain through official distribution channels, and using salvaged parts allows for maintaining consistency with the original installation while optimizing repair costs.

If you want to better understand how to effectively use secondary market components when servicing older cars, it is worth reading our guide: No parts at the dealership? How to handle repairs of older models using salvaged parts.

Summary

Volkswagen Golf Mk6 5K Rear Tail Light Bulb Holder Socket Left N/S is a practical, factory-fitted electrical system component that facilitates the restoration of full rear lighting functionality on the driver's side. Due to its classification in the Wires, Plugs, and Connectors group, it ensures stable electrical connections, correct bulb seating, and compatibility with the factory harness, which translates into efficient assembly and predictable lighting system performance in daily use.