Volkswagen Passat CC Wing Mirror Cover Cap Trim Seal Gasket Right O/S 3C8857506D

The right exterior mirror seal for Volkswagen Passat CC is a precise body component responsible for the tight and stable mounting of the mirror housing on the driver's or passenger's side, depending on the market. Thanks to its fit for the specific Passat CC model and the design intended by the manufacturer, this original mirror area seal helps to reduce noise, vibrations, and moisture ingress into the door interior.

Specifications and technical data

• SKU: 3C8857506D
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 3C8857506D
• Substitutable numbers: 3C8857506D, 3C8 857 506 D
• Location on the vehicle: Right
• Part type: Door Seal
• Category: Door Seals

Purpose and Technical Function

The presented seal is a mounting element for the right exterior mirror on the Volkswagen Passat CC. Its function is to create a watertight connection between the mirror base and the door panel, which contributes to:

• reducing the ingress of water and dirt into the door interior,
• limiting air noise around the pillar and mirror,
• stabilizing the mirror housing relative to the door sheet metal,
• protecting the paint edges from scuffing at the point of contact with the mirror.

Thanks to its proper profile and fit for the specific Passat CC body, the seal allows for maintaining the factory mirror mounting geometry and the correct operation of the adjustment mechanism.

Compatibility and Fitment

The seal has been designed specifically for the right exterior mirror on the Volkswagen Passat CC, ensuring factory fitment with the door and proper adhesion to the painted surface. The absence of the need for modifications or forced adjustments reduces the risk of leaks and accelerated corrosion in the mirror mounting area.

Using an original Volkswagen Group component helps maintain the structural integrity of the body and also facilitates potential future service work on the door and mirror installation.

Performance Characteristics

The mirror seal in the Passat CC operates in a demanding environment – it is exposed to temperature changes, UV radiation, water, road salt, and vibrations transmitted from the body. The use of a dedicated element with appropriate flexibility and shape contributes to:

• maintaining a stable mirror position at higher speeds,
• reducing the risk of cracks and squeaks around the door,
• better protection of the door interior from moisture,
• an aesthetic finish of the mirror's contact with the body panel.

This is particularly important for cars used daily, where tightness and acoustic comfort directly impact the perceived driving quality.

Condition and Service Application

The item is a used part intended for reinstallation in a vehicle where the right exterior mirror seal needs replacement – for example, after a collision, a complete mirror replacement, or door repair. Using a genuine used seal is a cost-effective solution that allows for restoring proper mirror mounting without resorting to aftermarket parts with uncertain fitment.

Expanding the Door Area in Passat CC

If you are planning a comprehensive repair or upgrade of the door area in your Volkswagen and need other parts from the same group, such as additional perimeter seals, seals for trim strips, or pillar seals, check the available parts in the Volkswagen Door Seals category.

To better plan your car's service budget and make informed choices when selecting used components, it is worth familiarizing yourself with an analysis of Volkswagen powertrains – practical information can be found in the article Volkswagen 1.9 TDI vs 1.4 TSI – Evolution of VW Engines and Repair Costs.