Ford Focus Mk3 Fuel Filler Flap Cover Cap Stealth Grey - B9 BM51-A405A02-AC

Ford Focus Mk3 Fuel Filler Flap Cover Cap Stealth Grey is an original body component from the Fuel filler flaps and accessories group, designed for a precise fit in the third-generation Focus model. The factory Stealth Grey - B9 color ensures paint consistency without the need for additional painting, which reduces repair time and costs.

Specifications and technical data

• SKU: 1746391-STL
• Mark: Ford
• Condition: Used
• OEM Part Number: 1746391
• Substitutable numbers: 1746391, BM51A405A02AC, BM51-A405A02-AC
• Part type: Fuel Door
• Color: Stealth Grey - B9
• Category: Fuel Flaps & Components

Purpose and function of the fuel filler flap

The fuel filler flap in the Ford Focus Mk3 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 road salt,
• maintenance of the side body panel aesthetics. Thanks to a design that complies with Ford's factory standards, the flap maintains the correct geometry and works seamlessly with the original hinge and locking mechanism.

Stealth Grey – B9 color and visual fit

The finish in the Stealth Grey - B9 shade is essential for maintaining a uniform paint surface along the entire side of the vehicle. Using a flap with the same color code allows you to:

• avoid shade differences typical of parts painted "by eye,"
• minimize the need for additional paint work,
• maintain a consistent vehicle appearance after repair or component replacement. For users who care about the visual condition of the bodywork, this is a practical solution, especially for local repairs after minor collisions or parking damage.

Characteristics of the used component

The offered fuel filler flap is a used part, which allows for an economical repair while maintaining the manufacturer's original specifications. This type of component is a popular choice for:

• local body and paint repairs,
• restoring the car to factory condition after panel replacement,
• replacing missing components after disassembly or theft. Choosing an original flap from disassembly reduces the risk of fitment issues typical of aftermarket replacements with universal geometry.

Ford fuel filler flaps and accessories – expanding the fueling area

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

Technical support and fuel system selection

When working in the fuel filler area, it is worth paying attention to the condition of the entire fuel system – from the filler neck to the tank. To better understand the relationships between components and properly plan repairs, the following guide will be helpful: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration. The article discusses diagnostics, component selection by catalog numbers, and operating principles, which facilitates informed service decisions.