Smart Fortwo C451 Fuel Filler Fill Flap Cover Cap White - EAZ

Visual condition of the part

The product shows signs of use visible in the photos. Smart Fortwo C451 Fuel Filler Fill Flap Cover Cap White - EAZ is an original body component from the Fuel filler covers and accessories group, designed for Smart Fortwo C451 generation models. Finished in the White - EAZ shade, this flap allows for an aesthetic and technically correct replacement of a damaged part while maintaining the factory body line.

Specifications and technical data

• SKU: A4517540306-WHIT
• Mark: Smart
• Condition: Used
• OEM Part Number: A4517540306
• Substitutable numbers: A4517540306, A 451 754 03 06
• Part type: Fuel Door
• Color: White - EAZ
• Category: Fuel Flaps & Components

Purpose and function of the fuel filler flap

The fuel filler flap in the Smart Fortwo C451 is responsible for protecting the fuel filler neck from dirt, moisture, and mechanical damage. A correctly selected component from this group ensures:

• stable closing of the fuel filler area,
• protection against dust, mud, and water,
• maintenance of correct body geometry in the rear fender area,
• visual consistency with other body panels. In the case of the Smart Fortwo C451, the use of a dedicated flap is particularly important due to the compact body design and the close proximity of other bodywork elements.

Color scheme and visual fit

The presented flap is finished in White - EAZ, which allows for maintaining a uniform body color in Smart Fortwo C451 units painted in this shade. Thanks to this, the component fits well into the vehicle's side line, reducing the need for or the scope of additional paint work. Selecting a flap in the correct color is important not only from an aesthetic point of view but also for the vehicle's value – a visually consistent body looks better upon resale and facilitates the assessment of the bodywork's technical condition.

Component characteristics and installation

As a part from the Fuel filler covers and accessories group, the flap is designed to work with the factory hinge and locking mechanism in the Smart Fortwo C451. The appropriate edge profiling and the correct diameter and shape of the stampings enable proper fitment with:

• the opening in the bodywork,
• the fuel filler socket,
• surrounding body panels. A component of this type is usually installed in place of the factory flap, using the existing hinge and mounts, which reduces the time required for replacement and minimizes the risk of closing issues.

Used condition and benefits of choosing OEM parts

The offered fuel filler flap is a used component, which allows for a favorable price-to-quality ratio while maintaining the characteristics of an original Smart part. In practice, this means:

• factory fitment to the Smart Fortwo C451 body,
• preservation of original geometry and shape,
• possibility of economical repair of damage in the fuel filler area. For many users, choosing a used OEM part is a reasonable compromise between costs and build quality, especially in the case of body components exposed to minor operational damage.

Technical support and selection of fuel system components

When replacing the flap, it is worth paying attention to the general condition of the fuel filler area – seals, the cap, and the surrounding bodywork. For those who want to better understand the construction and operation of the entire fuel system, a guide describing diagnostics, selection by identification numbers, and operating principles will be useful. Detailed information can be found in the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration.

Other fuel filler covers for Smart

If you are planning a comprehensive repair or upgrade of the fuel filler area in your Smart and need other elements from the same group, such as additional flaps, covers, or accessory security elements, check the available parts in the Smart fuel filler covers and accessories category. For drivers looking for ways to reduce service costs while maintaining appropriate quality, a practical guide on the cost-effectiveness of using used components may also be helpful. More information can be found in the material Rising repair costs and the boom in used parts – how to save on car service?.