Ford Transit Custom Wiper Arm Windscreen Windshield Left N/S BK21-17526-CC

Ford Transit Custom Wiper Arm Windscreen Windshield Left N/S is an original component from the Wiper Arms group, designed for installation on the driver's side. It ensures stable guidance of the wiper blade across the windshield, which translates into safe visibility in difficult weather conditions and the proper operation of the entire wiper system.

Specifications and technical data

• SKU: RHD-1893042
• Mark: Ford
• Condition: Used
• OEM Part Number: BK21-17526-CC
• Substitutable numbers: 1893042, BK2117526CC, BK21-17526-CC
• Location on the vehicle: Left
• Category: Wiper Arms

Purpose and function in the wiper system

The presented arm is dedicated to the Ford Transit Custom windshield and operates on the left side of the vehicle. It is responsible for transferring torque from the drive mechanism to the wiper blade, keeping it in the correct position relative to the glass. The proper geometry of the arm allows for even pressure of the blade against the glass surface, which reduces streaking and improves cleaning efficiency.

Construction and fitment for Ford Transit Custom

The arm has been designed as a component compliant with Ford's factory standards, ensuring it maintains the appropriate length, operating angle, and mounting method characteristic of this model. The design intended for the driver's side ensures:

• the correct range of motion on the windshield,
• stable mounting to the wiper mechanism shaft,
• compatibility with the wiper blade intended for this position.

Such fitment reduces the risk of collision with the other arm or the edge of the windshield and allows for maintaining the factory wiper operating path.

Condition of the component and benefits of using an original part

The wiper arm is offered as a used part, which in practice means a favorable combination of price and the preservation of the manufacturer's original specifications. Compared to low-quality replacements, the original arm provides:

• adequate rigidity and resistance to deformation during operation,
• correct positioning of the blade on the windshield,
• preservation of the factory line and aesthetics of the cowl area.

For fleet users and workshops specializing in Fords, this is a solution that allows for maintaining the technical consistency of the vehicle while optimizing repair costs.

Practical assembly and maintenance tips

During installation, it is recommended to pay attention to the correct setting of the arm relative to the wiper's rest position and precise seating on the splines or other intended type of mounting. After installation, it is worth:

• checking the full operating cycle of the wipers on a dry and wet windshield,
• verifying that the blade does not go beyond the windshield outline,
• assessing the pressure of the blade against the glass along its entire working length.

Regular inspection of the condition of the blade and arm reduces wear on the drive mechanism and improves driving comfort in the rain.

Service expansion within the wiper system

If you are planning a comprehensive repair or modernization of the windshield visibility area in your Ford and need other components from the same group, such as additional arms, mounts, or elements working with blades, check the available parts in the Ford Wiper Arms category.

For users interested in deepening their knowledge about the service of modern power units and the impact of accessories on engine durability, an article describing the characteristics of a popular diesel unit, typical faults, and a plan for its refurbishment may be helpful – you can find it here: The second life of the Mercedes OM642 engine – how injectors and a turbocharger restore the power of the 3.0 V6 CDI.