Ford Tourneo Custom Rear Wiper Mechanism Motor Unit GK21-17W400-AA

Ford Tourneo Custom Rear Wiper Mechanism Motor Unit is an original component from the Wiper motors and linkages group, designed for operation in the rear body area. It ensures stable power transmission to the rear wiper arm, which translates into clear visibility in the rearview mirror and safe vehicle operation in rain and when the windshield is dirty. This solution is dedicated to Ford, allowing for the maintenance of the factory operating characteristics of the wiper system.

Specifications and technical data

• SKU: GK21-17W400-AA
• Mark: Ford
• Condition: Used
• OEM Part Number: GK21-17W400-AA
• Substitutable numbers: GK21-17W400-AA, GK2117W400AA
• Location on the vehicle: Rear
• Part type: Wiper Motor
• Category: Wiper Linkages, Transmissions & Motors

Purpose and function of the rear wiper mechanism

The rear wiper mechanism in the Ford Tourneo Custom is responsible for the precise guidance of the arm across the glass surface and for the proper transmission of torque from the drive to the wiper axis. Its placement in the rear window area means that this component operates in demanding conditions – it is exposed to moisture, temperature changes, and road debris. A functional mechanism reduces arm vibration, ensures even blade pressure, and provides a stable operating cycle, which is crucial for the long-term operation of a commercial vehicle.

Benefits of using an original Ford mechanism

Choosing a component from the Ford brand means maintaining compatibility with factory mounting geometry, operating stroke, and the operating characteristics of the entire wiper system. Thanks to this:

• you minimize the risk of incorrect arm positioning and inaccurate windshield cleaning,
• you maintain proper cooperation with the electrical system and wiper controls,
• you preserve the predictable behavior of the wiper in both intermittent and continuous modes. The element from the Wiper motors and linkages category is designed with appropriate rigidity and wear resistance in mind, which is particularly important in vehicles used intensively – e.g., in passenger transport or as fleet vehicles.

Installation and operational characteristics

The Ford Tourneo Custom Rear Wiper Mechanism Motor Unit is designed for installation in the rear part of the vehicle, in the immediate vicinity of the tailgate window. The design provided by the manufacturer allows for installation in place of the factory element, while maintaining existing mounting points and the wiper axis routing. Thanks to this, service work can be carried out in an orderly manner, without the need for body or installation modifications. The used nature of the component makes it a cost-effective solution while maintaining the original manufacturer's specifications. For many users, this is a reasonable compromise between price and functionality, especially in the case of professionally operated vehicles, where a quick return of the car to work is essential.

Using used components in vehicle systems

In the case of components such as wiper mechanisms, the use of a used part allows for reducing repair costs while maintaining the proper function of the system. It is worth paying attention to compliance with manufacturer markings and fitment to a specific body version. A broader context for selecting used components in a car – including identification procedures based on manufacturer markings – is discussed in an expert guide: Why it is worth buying used gearboxes and engines – facts instead of myths. The principles contained therein can largely also be applied to other groups of components, including wiper system elements.

Expansion and service of the Ford wiper system

If you are planning a comprehensive repair or upgrade of the windshield cleaning zone in your Ford and need other elements from the same group, such as drives, linkages, or wiper levers, check the available parts in the Ford wiper motors and linkages category. A well-selected set of components in this group allows for maintaining the consistency of the entire system's operation, reducing noise during wiper operation, and ensuring predictable performance in difficult weather conditions. Thanks to this, the Ford Tourneo Custom maintains functionality consistent with the manufacturer's assumptions, which is important for both driver comfort and driving safety.