Volkswagen Passat B7 Mirror Glass Heated Auto Dimming Right O/S 3C8857522D

Volkswagen Passat B7 Mirror Glass Heated Auto Dimming Right O/S is an original component designed for the precise replacement of the factory mirror insert. Thanks to the heated and auto-dimming functions, it improves driving comfort and visibility, especially in difficult weather conditions and after dark.

Specifications and technical data

• SKU: RHD-3C8857522D
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 3C8857522D
• Substitutable numbers: 3C8857522D, 3C8 857 522 D
• Location on the vehicle: Right
• Part type: Mirror Glass
• Category: Mirror Glass

Purpose and function in the vehicle

The presented item is a right exterior mirror glass designed for installation in the Volkswagen Passat B7 model. Its placement on the passenger side (in right-hand traffic) ensures proper field of view coverage and compatibility with the factory mirror housing.

The auto-dimming function reduces glare from vehicles behind, while the integrated heating facilitates the removal of fog, frost, and light ice from the glass surface. As a result, the driver receives a stable, clear view of the surroundings across a wide range of operating conditions.

Construction and performance features

The mirror glass has been designed as an OEM component, which means it fits the factory mount and electrical installation in the Passat B7. The shape, radius of curvature, and mounting method are consistent with the original mirror design, which facilitates installation and ensures correct field of view geometry.

Key performance features:

• integration with the factory mirror heating system,
• built-in auto-dimming function,
• dedicated application for the right side of the vehicle,
• compatibility with the Volkswagen Passat B7 mirror housing.

By maintaining factory optical and electrical parameters, the component allows for the restoration of the mirror's original functionality without the need for installation modifications.

Benefits of using original mirror glass

Using original mirror glass to replace a damaged insert translates into a number of practical benefits. Firstly, the consistency of the heating and auto-dimming system operation is maintained, which has a direct impact on driving safety. Secondly, the proper fit to the mirror housing eliminates the risk of looseness, vibrations, or incorrect adjustment.

Choosing a used OEM component is often a reasonable compromise between cost and quality – the driver receives a part consistent with the factory specification, without the typical problems associated with some aftermarket replacements. If you want to better understand when a used original part is a good choice, it is worth reading the article 5 reasons why a used OEM part is a better choice than a replacement.

Condition and service application

The item is used, which in practice means it comes from disassembly and has been verified for suitability for further use. This is a good solution in situations where a quick replacement of damaged glass is necessary after a collision, stone impact, or long-term wear, while maintaining the factory functionality of the mirror.

Replacing the right heated and auto-dimming mirror glass is a typical service operation that allows for restoring the full efficiency of the mirror system without interfering with the vehicle's electronics, provided the car's installation is functional.

Expanding mirror upgrades

If you are planning a comprehensive repair or upgrade of the exterior mirror zone in your Volkswagen and need other components from the same group, such as inserts, housings, or complete mirror modules, check the available parts in the Volkswagen Mirror Glass category.