VW Passat B8 Tail Light Rear Lamp Inner Left N/S Wire Cable Harness 3G9945307E

VW Passat B8 Tail Light Rear Lamp Inner Left N/S Wire Cable Harness is an original lighting component designed for installation in the rear section of the vehicle on the driver's side. It ensures a consistent look for the rear light assembly, correct signaling of maneuvers, and an aesthetic fit to the body lines of the Passat B8. This is a solution for users who want to restore the factory functionality and appearance of the lighting in a technically correct manner.

Specifications and technical data

• SKU: 3G9945307E-1
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 3G9945307E
• Substitutable numbers: 3G9945307E, 3G9 945 307 E
• Location on the vehicle: Rear, Left
• Category: Other Starters, Alternators, ECUs & Wiring

Purpose and function of the lamp

The described lamp is a component of the inner part of the rear light assembly, mounted on the left side of the vehicle in the trunk area. It is responsible for the correct positioning and visibility of light signals, which is important for both safety and compliance with traffic regulations. Thanks to the factory geometry of the lens and reflectors, the lamp works with the other rear lighting elements, creating a uniform signaling system that is clear to other drivers.

Original fit for Volkswagen Passat B8

VW Passat B8 Tail Light Rear Lamp Inner Left N/S Wire Cable Harness has been designed specifically for the body structure of this model, which translates into a precise fit with the trunk lid and the outer part of the lamp. The original form of the mounts and the electrical connector allows for installation in place of the factory element without the need for modifications to the wiring or bodywork. Such a solution reduces the risk of leaks, installation errors, and lighting operation problems.

Technical characteristics and installation

The lamp is intended for installation in the rear part of the vehicle on the left side, in the trunk lid area. The construction, based on the vehicle manufacturer's original design, ensures:

• stable mounting in factory body points,
• proper light beam guidance in accordance with the model's homologation,
• consistent appearance with the outer part of the rear lighting.

With proper installation, the lamp works with the existing vehicle electrical system, maintaining the functions intended by the manufacturer. This solution is particularly beneficial for post-accident repairs or replacing a damaged element on the driver's side.

Used condition – practical benefits

The offered lamp is a used item, which allows for economical vehicle repair while maintaining the original construction and fit. In many cases, a used OEM component fits better with the existing visual wear of the car than a new part, which limits differences in lens shade or gloss. It is a solution that combines reasonable cost with the preservation of the factory character of the rear lighting.

If you want to learn more about the specifics of the second-hand parts market, it is worth checking out educational material on their real durability and cost-effectiveness – the article Used car parts: myths and facts you need to know will be helpful, as it clarifies the most common doubts of drivers.

Safety, diagnostics, and technical knowledge

A properly functioning inner rear lamp is important for the clarity of light signals, especially in city traffic and during night driving. In the case of complex lighting systems, similar to those in high-performance cars, it is essential to properly tune the electronics, wiring, and actuators. For those interested in a broader technical context – from the engine to the braking system and chassis – a valuable supplement to knowledge may be the article Audi RS vs other models – what is hidden under the hood and chassis?, which shows how manufacturers differentiate key components.

If you are planning a comprehensive repair or modernization of the rear lighting zone in your Volkswagen and need other elements from the same group, such as additional lamps, control modules, or mounting accessories, check out the available parts in the category Other Volkswagen.