Volkswagen Passat B8 3G Fuel Filler Flap Diesel Cap Latch 3G9809117

Volkswagen Passat B8 3G Fuel Filler Flap Diesel Cap Latch is an original refueling system component designed for diesel engine versions. This used part from the Fuel tanks and filler pipes group allows for maintaining the factory functionality of the filler, its seal, and convenience in daily use. It is a practical solution for repairs following mechanical damage or when replacing worn-out external filler components.

Specifications and technical data

• SKU: 3G9809857A
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 3G9809857A
• Substitutable numbers: 3G9809117, 3G9 809 117, 3G9809857A, 3G9 809 857 A
• Fuel type: Diesel
• Category: Fuel Tanks & Filler Necks

Purpose and function of the fuel filler flap

The presented fuel filler flap with cap is a bodywork component that works with the refueling system in diesel-powered vehicles. It is responsible for protecting the filler neck from dirt, moisture, and mechanical damage, as well as providing convenient access during refueling. The integrated cap ensures proper sealing of the filler and helps maintain the correct operating conditions of the fuel system.

Compatibility with the Diesel fuel system

The element has been designed to work with a Diesel fuel system, which is important both in terms of the cap's construction and usage markings. Using the correct flap with a dedicated cap reduces the risk of refueling errors and supports the proper operation of components from the Fuel tanks and filler pipes group. This ensures structural consistency with the manufacturer's factory solution.

Benefits of using an original component

Using an original fuel filler flap with cap in the Passat B8 model allows for maintaining a uniform body appearance and proper fitment with the fender and door lines. The appropriate geometry of the mounts facilitates installation and limits the need for additional modifications. A used OEM part is a reasonable compromise between repair costs and maintaining factory quality and fit.

Application in bodywork and refueling system repairs

The element is particularly suitable for:

• repairs after collisions or scrapes in the fuel filler area,
• replacing a damaged or leaking flap,
• restoring the completeness of the refueling system in diesel engine vehicles,
• service work within the Fuel tanks and filler pipes group.

Thanks to the preservation of the original design, it is possible to quickly restore full functionality of the filler without interfering with other fuel system components.

If you are planning a comprehensive repair or upgrade of the fuel system area in your Volkswagen and need other elements from the same group, such as filler necks, hoses, or mounting elements, check the available parts in the Volkswagen fuel tanks and filler pipes category.

Technical support and selection by parameters

When selecting a fuel filler flap with cap, it is worth paying attention to compatibility with the fuel type and belonging to the appropriate bodywork group. Manufacturer markings and part number identifiers are helpful, allowing for precise matching of the element to a specific vehicle configuration. In case of doubt, a good solution is to compare the construction with the currently installed part.

To better understand the role of this element in the entire fuel supply path, it is worth reading the guide on diagnostics and operation of the fuel system – it discusses in detail the cooperation of the tank, filler, and accessories, which you can find in the article "Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration".

Summary

Volkswagen Passat B8 3G Fuel Filler Flap Diesel Cap Latch is a practical choice for repairs in the fuel filler area in diesel engine vehicles. The original design, compatibility with the Diesel fuel system, and belonging to the Fuel tanks and filler pipes group allow for restoring full functionality and aesthetics of this vehicle area while maintaining factory technical solutions.