Ford Transit Custom Wiper Motor 4 PIN Front Right O/S Side BK21-17500-AE

Ford Transit Custom Wiper Motor 4 PIN Front Right O/S Side is an original component from the Wiper motors and linkages group, designed to operate on the driver or passenger side depending on the vehicle version. It ensures stable, uniform driving of the wiper mechanism, which translates into safe visibility in difficult weather conditions. Thanks to the four-pin electrical connector, it is adapted to work with the factory Ford installation without the need for harness modifications.

Specifications and technical data

• SKU: BK21-17500-AE
• Mark: Ford
• Condition: Used
• OEM Part Number: BK21-17500-AE
• Substitutable numbers: BK21-17500-AE, BK2117500AE, W000030906, W000028735
• Location on the vehicle: Front, Right
• Part type: Wiper Motor
• Category: Wiper Linkages, Transmissions & Motors

Purpose and vehicle placement

The presented wiper motor is designed for installation on the front windshield on the right side, within the working zone of the factory Ford Transit Custom wiper mechanism. The body design and mounting points are matched to the original body brackets, which facilitates installation and allows for maintaining the correct geometry of the wiper arm operation.

The four-pin electrical connector enables precise control of the wiper speeds and parking position, in accordance with the logic of the factory comfort module and the steering column switch. As a result, all intermittent and continuous operation functions provided by the vehicle manufacturer are maintained after replacement.

Construction and 4 PIN electrical parameters

The motor uses a four-pin connector, which allows for the separation of power, ground, and control signals for individual operating speeds. This configuration is typical for modern Ford wiper systems and ensures stable operation across the full load range – from light rain to heavy downpours.

The motor housing is prepared for operation in the cowl area, where high humidity and variable temperatures occur. The seals used and the cable routing method limit the risk of water ingress into the drive interior, which is important for long-term reliability.

Benefits of using an original Ford motor

Choosing an original Ford wiper motor for the Transit Custom allows you to maintain factory mechanical and electrical fitment. The appropriate torque and rotational speed characteristics are adapted to the length of the arms and the working surface of the blades, ensuring the wipers operate smoothly without jerking or excessive vibrations.

Key advantages of this solution include:

• compatibility with the factory wiper linkage and arm mechanism,
• proper cooperation with the electrical installation and cabin controls,
• maintenance of the operating modes intended by the manufacturer,
• reduction of the risk of controller errors resulting from incorrect electrical parameters.

Condition, verification, and selection by numbers

The item comes from the secondary market, which allows you to combine original Ford quality with a more favorable purchase cost compared to a new component. Before being offered for sale, the motor is verified for correct operation, smooth start, absence of unusual noises, and stable stopping in the parking position.

To ensure full compatibility with a specific Ford Transit Custom version, it is recommended to select parts by OEM number or interchangeable numbers and to compare the placement on the vehicle (front, right side). In case of doubt, it is worth consulting the vehicle data with service documentation or a specialist, which minimizes the risk of purchasing an incorrect variant.

Ford wiper motors and linkages – expansion and service

If you are planning a comprehensive repair or upgrade of the windshield visibility zone in your Ford and need other elements from the same group, such as arms, linkages, or additional drives, check the available parts in the Ford wiper motors and linkages category.

More on the cost-effectiveness of used components

When planning a wiper system repair, it is worth considering the general principles of selecting used components for a car – both in terms of costs and durability. The issues of cost-effectiveness of purchasing elements from the secondary market, as well as the differences between original parts, replacements, and used ones, are discussed in more detail in the guide Original, replacement, or used – which car parts are the most cost-effective?. For a comparison of approaches to key drivetrain components, you can also refer to the article Why it is worth buying used gearboxes and engines – facts instead of myths, which shows the practical aspects of selecting parts by OEM numbers.