Volkswagen Tiguan 5N Fuel Filler Neck Gaiter Surround Rear Right O/S 5NA809933C

Volkswagen Tiguan 5N Fuel Filler Neck Gaiter Surround Rear Right O/S is a precisely fitted fuel system component, designed specifically for the rear right section of the vehicle body. This rubber gaiter stabilizes and secures the fuel filler area, supporting tightness and proper routing of lines within the system. Thanks to a design consistent with the manufacturer's solutions, you maintain the factory geometry and functionality of the fuel system without the need for modifications.

Specifications and technical data

• SKU: 5NA809933C
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 5NA809933C
• Substitutable numbers: 5NA809933C, 5NA 809 933 C
• Location on the vehicle: Rear, Right
• Category: Fuel Tanks & Filler Necks

Purpose and function in the fuel system

The fuel filler neck gaiter in the Tiguan 5N model operates in the immediate vicinity of the lines leading fuel to the tank. Its task is to:

• stabilize the fuel filler section in the rear right part of the vehicle,
• reduce the transmission of vibrations from the body to the fuel system components,
• protect against point abrasion of lines against the edges of the body structure,
• seal the space around the filler relative to the wheel arch chamber and external elements.

Due to the use of flexible material, the gaiter compensates for minor movements of the body and lines, which promotes even operation of the entire system and reduces the risk of operational damage.

Construction and fitment for Volkswagen Tiguan 5N

The element has been designed for the specific geometry of the rear right body section of the Tiguan, which translates into secure seating in factory mounting points. The rubber profile is shaped to work with the design of the fuel filler pipe and adjacent structural elements.

Such fitment allows for:

• maintaining the correct routing of the fuel filler pipe relative to the tank,
• avoiding stresses resulting from incorrect installation or universal replacements,
• maintaining the factory layout of components within the wheel arch and the rear part of the vehicle.

Benefits of using an original rubber gaiter

Choosing an original fuel filler neck gaiter for the Volkswagen Tiguan 5N is a solution that technically supports the long-term, stable operation of the fuel system. Key advantages include:

• compatibility with the factory system – no need for modifications, adjustments, or cutting,
• consistency with other elements in the Fuel tanks and filler pipes category,
• reduction of the risk of leaks in the fuel filler zone,
• easier diagnostics – the mechanic immediately recognizes the factory design solution.

The used element allows for an economical repair while maintaining the original construction, which is particularly important for vehicles used intensively or after bodywork repairs in the rear right section of the body.

Installation zone: rear – right side of the vehicle

The gaiter operates in the demanding environment of the rear right part of the car, where road debris, moisture, and variable mechanical loads occur. Proper installation in this area:

• supports the protection of the fuel filler pipe against dirt and minor impacts,
• limits the influence of external factors on fuel system components,
• ensures stable routing of lines within the wheel arch and rear structure.

Thanks to this, the predictable operation of the refueling system is maintained, and service access to the fuel filler components remains consistent with the manufacturer's specifications.

Technical support and related materials

To better understand the role of the gaiter in the context of the entire fuel system, it is worth using educational materials regarding diagnostics and operation. An extended discussion of the construction and principles of selecting components by OEM numbers can be found in the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, which organizes key information about the operation of the fuel system.

If you are planning a comprehensive repair or upgrade of the fuel system zone in your Volkswagen and need other elements from the same group, such as a fuel tank, filler pipe, or additional covers, check the available parts in the Volkswagen fuel tanks and filler pipes category.

For users who want to consciously choose elements originating from original production, the material explaining the meaning of OEM markings and the advantages of using used factory parts will also be helpful: OEM quality assurance and safety – why are used original car parts the best choice for your car?.