Ford Focus Mk3 Wiper Arm Rear Window Tailgate Trunk Lid BM51-T04178-AA

Ford Focus Mk3 Wiper Arm Rear Window Tailgate Trunk Lid is an original component from the Wiper arms group, designed for operation on the vehicle's rear window. Designed by the vehicle manufacturer, the arm ensures proper wiper blade pressure geometry, stable operation in the rain, and predictable performance in all road conditions. It is a practical solution for users who want to restore proper rear visibility without compromising on fitment.

Specifications and technical data

• SKU: 1718652
• Mark: Ford
• Condition: Used
• OEM Part Number: 1718652
• Substitutable numbers: BM51-T04178-AA, BM51T04178AA
• Location on the vehicle: Rear
• Part type: Wiper Arm
• Category: Wiper Arms

Purpose and fitment for Ford Focus Mk3

The presented arm has been prepared for the rear window of the Ford Focus Mk3, with placement in the Rear area. The appropriately selected length and operating angle translate into even removal of water and debris from the glass surface, which improves safety during maneuvering and driving in difficult weather conditions. As a component originating from the same design line as the factory equipment, the arm works with the original wiper mechanism and the mounting on the tailgate. Thanks to this, the user avoids problems with incorrect resting position, rubbing against seals, or excessive vibrations during operation.

Construction and function of the rear window wiper arm

The rear window wiper arm is responsible for transferring movement from the drive mechanism to the wiper blade and maintaining proper pressure against the glass. The construction is optimized for:

• stable guidance of the blade along the operating arc,
• resistance to typical operational loads (wind, water resistance, minor debris),
• proper water drainage from the central part of the rear window. The appropriate geometry of the arm reduces the "skipping" phenomenon of the blade and minimizes blind spots, which translates into more predictable visibility in the rearview mirror. This is especially important when reversing, parking, and driving in rain or snow.

Benefits of using an original Ford arm

Choosing a component dedicated to a specific vehicle model provides a number of practical advantages. Factory fitment means that the arm harmonizes with the body line, does not collide with seals or the tailgate spoiler, and maintains the correct resting position. Installation is predictable, without the need for modifying mounts or using additional adapters. As a Ford brand product, the arm has been designed taking into account the real operating conditions of this model – from daily city driving to longer trips in a variable climate. It is a solution that allows you to restore the original operating parameters of the rear window wiper system and maintain the consistency of the entire system.

Condition, service application, and installation

The item is offered in Used condition, which makes it an attractive proposition for service repairs when the priority is to maintain the original construction while optimizing costs. The arm will work well both when replacing a damaged component after a collision or improper use, and when restoring full functionality of the wiper system after a long period of operation. Due to its dedicated purpose for the Ford Focus Mk3, installation is straightforward – after proper seating on the splines and tightening the mount, the arm assumes the correct working position. After installation, it is recommended to check the range of motion and blade pressure to fully utilize the system's capabilities.

Expanding the wiper system and preparing the car for the season

If you are planning a comprehensive repair or modernization of the rear window visibility zone in your Ford and need other elements from the same group, such as additional arms, compatible mounts, or related components, check the available parts in the Ford wiper arms category. When planning broader service work, especially before the winter season, it is worth considering other components exposed to intensive use. Practical tips on which used wiper system elements and other vehicle systems are worth checking before the frost can be found in the article Winter essentials: which used car parts are worth checking and replacing before the frost?.