Ford Focus Mk3 Rear Bumper Lower Diffuser Spoiler Panel BM51-A17A894-AB

Visual condition of the part

The product shows signs of use visible in the photos. Ford Focus Mk3 Rear Bumper Lower Diffuser Spoiler Panel is an original lower panel from the Bumpers and reinforcements group, designed for installation in the rear part of the body. This component allows for restoring the factory look of the bumper, ensures proper airflow guidance behind the vehicle, and improves the aesthetics of the car's rear section.

Specifications and technical data

• SKU: 1705851
• Mark: Ford
• Condition: Used
• OEM Part Number: 1705851
• Substitutable numbers: BM51-A17A894-AB, BM51A17A894AB, 1705851
• Location on the vehicle: Rear
• Part type: Bumper
• Category: Bumpers & Reinforcements

Purpose and function of the component

The presented diffuser is dedicated to installation in the rear part of the vehicle as a lower bumper spoiler panel. It is responsible for:

• completing the rear bumper structure,
• providing a stable closure for the lower edge of the cladding,
• organizing airflow under and behind the car,
• providing an aesthetic finish to the rear bodywork. Thanks to its factory fit for the Ford Focus Mk3, the diffuser maintains the correct geometry and works with the original mounting points, which facilitates installation and reduces the risk of improper fitment.

Construction and fitment for Ford Focus Mk3

The lower spoiler panel was designed by Ford as part of the rear bumper system, taking into account the body shape and styling lines of the third-generation Focus. The diffuser's construction ensures:

• compatibility with the factory Ford Focus Mk3 rear bumper,
• the possibility of installation in place of a damaged or missing component,
• preservation of original body gaps and parting lines. As a part from the Bumpers and reinforcements group, the panel works with other rear bumper components, creating a cohesive and stable body protection system.

Performance characteristics and installation

The diffuser is a used part, which in practice means it comes from disassembly and may show signs of wear typical for this class of parts, while maintaining its structural functionality. This type of component is a popular choice for post-accident repairs and when replacing worn-out bumper elements because:

• it enables economical repair of the rear body zone,
• it ensures factory fitment to the vehicle structure,
• it allows for restoring the original look of the rear bumper without the cost of purchasing a new panel. Installation takes place in the location provided by the vehicle manufacturer, using standard mounting points. This makes service work predictable and the final result consistent with the factory finish standard.

Application in body repairs

The rear bumper diffuser is particularly useful for:

• repairs after collisions in the rear part of the vehicle,
• body renovation after years of operation,
• replacing missing bumper cladding elements. Choosing an original Ford bumper panel allows you to maintain material and structural consistency with other body elements, which is important for both durability and the future resale value of the car. If you want to learn more about how to consciously choose used body parts and what to look for when buying parts from disassembly, check out the article: Replacing body parts with used ones – can bodywork parts from disassembly look like new?

Complementary Ford bumper elements

If you are planning a comprehensive repair or upgrade of the rear body zone in your Ford and need other elements from the same group, such as beams, reinforcements, or additional bumper panels, check out the available parts in the Ford Bumpers and reinforcements category.