Volkswagen Passat B7 Fuel Filler Flap Cover 3AF809857 Reflex Silver Metallic A7W

Visual condition of the part

The product shows signs of use visible in the photos.

Volkswagen Passat B7 Fuel Filler Flap Cover Reflex Silver Metallic A7W is an original body component from the Fuel filler flaps and accessories group, designed for factory installation in the Passat B7 model. Finished in Reflex Silver Metallic - A7W, it allows for an aesthetic and technically correct replacement of a damaged flap without the need for painting.

Specifications and technical data

• SKU: 3AF809857-RES
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 3AF809857
• Substitutable numbers: 3AF809857, 3AF 809 857
• Color: Reflex Silver Metallic - A7W
• Category: Fuel Flaps & Components

Purpose and function of the fuel filler flap

The fuel filler flap in the Passat B7 is responsible for protecting the filler neck from dirt, moisture, and mechanical damage. A correctly selected component ensures:

• a consistent appearance of the side body section,
• proper closing and locking of the fuel filler,
• protection of the filler area against corrosion and contamination.

The presented flap is a component structurally matched to the Passat B7 body, which facilitates installation and maintains factory gaps between body panels.

Reflex Silver Metallic - A7W color

The finish in Reflex Silver Metallic - A7W allows for maintaining a uniform body paint line without the need for additional painting. This is a particularly beneficial solution when the vehicle is factory-finished in this color, because it:

• minimizes the risk of shade differences between the flap and adjacent panels,
• speeds up the repair process – the element can be installed immediately after fitting,
• maintains the original visual character of the car.

Characteristics of the used component

The offered fuel filler flap is a used part, sourced from vehicle dismantling. This type of component is a cost-effective solution for maintenance repairs because it:

• retains factory geometry and mounting method,
• is consistent with the original Volkswagen body line,
• allows for cost reduction compared to a new part while maintaining proper functionality.

For many users, this is a reasonable compromise between quality and budget, especially for spot repairs after minor collisions or parking damage.

Fitment and installation aspects

The flap has been designed as a body component dedicated to the Passat B7, which means its shape, bending radii, and mounting method are consistent with Volkswagen's factory solutions. In practice, this translates into:

• easier alignment with the fender and bumper in the fuel filler area,
• proper cooperation with the opening and closing mechanism,
• maintenance of tightness and correct operation of the filler lock.

Before installation, it is recommended to verify compatibility with the specific Passat B7 body version to ensure full compatibility with the existing mechanism in the vehicle.

Volkswagen fuel filler flaps and accessories – expanding the filler area

If you are planning a comprehensive repair or upgrade of the fuel filler area in your Volkswagen and need other components from the same group, such as additional covers, shields, or accessory protection elements, check out the available parts in the Volkswagen fuel filler flaps and accessories category.

Technical support and knowledge about the fuel system

When working around the fuel filler, it is worth knowing the basics of how the entire fuel system operates to avoid installation errors and unwanted leaks. Detailed information on diagnostics, selecting components by OEM numbers, and operating principles can be found in the article "Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration", which helps organize knowledge for both drivers and workshops.

Summary

Volkswagen Passat B7 Fuel Filler Flap Cover Reflex Silver Metallic A7W is a practical solution for users who want to restore the aesthetics and functionality of the fuel filler area after mechanical damage or corrosion. Its original origin, dedicated fitment for the Passat B7, and Reflex Silver Metallic paint make this component a great fit for service and renovation repairs, maintaining a consistent body appearance.