Smart Fortwo C451 Fuel Filler Fill Flap Cover Cap Light Blue - EN1 A4517540306

Smart Fortwo C451 Fuel Filler Fill Flap Cover Cap Light Blue is an original body component from the Fuel filler covers and accessories group, designed for Smart Fortwo C451 generation models. Finished in an attractive Light Blue Metallic - EN1 shade, this flap allows you to restore the consistent appearance of the side body panel following damage or replacement of parts around the fuel filler.

Specifications and technical data

• SKU: A4517540306-LIG
• Mark: Smart
• Condition: Used
• OEM Part Number: A4517540306
• Substitutable numbers: A4517540306, A 451 754 03 06
• Part type: Fuel Door
• Color: Light Blue Metallic - EN1
• Category: Fuel Flaps & Components

Purpose and compatibility with Smart Fortwo C451

The presented fuel filler flap has been designed specifically for the structure of the Smart Fortwo C451, ensuring it maintains factory body lines and correct mounting geometry. Its original Smart brand origin facilitates precise fitting with the wheel arch and the elements surrounding the fuel filler, which reduces the risk of leaks and unwanted gaps after installation.

This item from the Fuel filler covers and accessories category serves not only an aesthetic function but also a protective one – it secures the area around the filler against dirt, moisture, and mechanical damage resulting from daily vehicle use.

Light Blue Metallic - EN1 color and body aesthetics

The Light Blue Metallic - EN1 finish ensures consistency with the original paint palette used on the Smart Fortwo C451. The metallic structure of the paint harmonizes well with the body lines, providing uniform light reflection and an aesthetic transition between the flap and adjacent body panels.

For users replacing a damaged part due to a collision or corrosion, using a flap in the same color code eliminates the need for additional painting and facilitates the quick restoration of the vehicle's visual consistency.

Characteristics of the used part

The offered fuel filler flap is a used part, which in practice represents a favorable compromise between cost and functionality. Such components are frequently chosen for maintenance repairs when the priority is to maintain the original vehicle construction while limiting expenses. A used body component also allows for a better match of the paint shade to the rest of the bodywork in cars that have already been in use for several years.

In the case of fuel filler flaps, the smooth operation of the hinge and stable seating in the socket are particularly important – using an original component from dismantling helps maintain proper geometry and durability after installation.

Practical installation and maintenance tips

Before installation, it is recommended to verify the compatibility of the flap with the specific body version of the Smart Fortwo C451 and to check the condition of the mounts on the body side. Proper adjustment of the gaps between the flap and the bodywork affects the ease of use and reduces the risk of paint rubbing during frequent opening of the fuel filler.

It is also worth paying attention to:

• smooth operation of the opening and closing mechanism,
• stability of the flap position when closed,
• consistency of the paint shade with adjacent body elements.

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 covers, shields, or accessory trim elements, check the available parts in the Smart fuel filler covers and accessories category.

Fuel system safety and technical knowledge

A properly selected and installed fuel filler flap helps protect the refueling area from contaminants, which indirectly affects the durability of fuel system components. For drivers interested in a broader technical context regarding fuel and supply equipment, an article describing the selection of used components may be useful – more information can be found in the material on fuel dosing problems and choosing a used injection pump and fuel rail.

Ecological and economic aspect

Choosing a used fuel filler flap for the Smart Fortwo C451 is a solution that is both financially and environmentally beneficial. Reusing functional body components reduces waste and lowers the demand for the production of new parts. If you are interested in a broader approach to car modernization using recycled components, it is worth reading the article on eco-tuning and increasing performance while reducing your carbon footprint.