Ford Fiesta St MK7 Window Regulator Motor Front Left N/S C1BB-B045H17-AD

Ford Fiesta St MK7 Window Regulator Motor Front Left N/S is an original component from the Window regulators and motors group, designed for installation on the front left side of the vehicle body. It ensures stable, predictable operation of the window lifting mechanism, which translates into ease of use and safe vehicle operation in daily use.

Specifications and technical data

• SKU: C1BB-B045H17-AD
• Mark: Ford
• Condition: Used
• OEM Part Number: C1BB-B045H17-AD
• Substitutable numbers: C1BB-B045H17-AD, C1BBB045H17AD, 1858141
• Location on the vehicle: Front, Left
• Part type: Regulator & Motor Assembly
• Category: Window Motors & Regulators

Purpose and function in the window lifting system

The presented motor is dedicated to working with the driver-side window regulator mechanism in the Ford Fiesta ST MK7 generation. It is responsible for driving the entire system, enabling smooth opening and closing of the window via the control buttons in the door or the comfort module. Thanks to the precise fit for the specific mounting position on the vehicle, the correct geometry of the guide rails and proper torque transmission to the regulator mechanism are maintained.

Advantages of using an original Ford motor

Using an original window regulator motor in the Ford Fiesta ST MK7 allows for maintaining the factory operating parameters of the system. Key benefits include:

• consistency with the factory electrical installation and comfort control,
• properly selected torque and rotational speed characteristics,
• stable window operation without jerking or unwanted play,
• maintaining correct window positioning relative to the seals and door frame.

As a result, the window lifting system operates in a predictable manner, which reduces the risk of mechanism overload, excessive wear of the guides, and problems with closing the window at higher driving speeds.

Mounting characteristics and compatibility

The Ford Fiesta St MK7 Window Regulator Motor Front Left N/S has been designed as a component intended for a specific side of the vehicle. The appropriate housing shape, arrangement of mounting points, and electrical connector facilitate installation in the factory door openings, without the need for modifications or adaptations. This type of solution allows for maintaining the correct routing of the electrical harness and minimizes the risk of wire damage during window operation.

The component comes from the Window regulators and motors group, which means it is part of a specialized system responsible for controlling the position of the side windows. Properly selecting the component for the specific body version and mounting side is crucial for the durability of the entire system.

Condition and use in vehicle service

The Ford Fiesta St MK7 Window Regulator Motor Front Left N/S in the presented configuration is a used component, which makes it an attractive service solution in the event of a factory drive failure. This type of part allows for an economical repair of the window lifting system while maintaining the original design and operating parameters. Replacing the motor is particularly recommended when symptoms such as slowed window operation, stopping halfway, or a complete lack of response to controls appear.

System expansion and selection of related components

If you are planning a comprehensive repair or upgrade of the door area in your Ford and need other elements from the same group, such as passenger-side window drives, additional motors for the rear doors, or complete regulator mechanisms, check the available parts in the Ford Window regulators and motors category.

When planning broader service work, it is also worth paying attention to the general technical condition of the vehicle. In the case of sports cars, such as the Fiesta ST, a conscious approach to operating the power unit is important – practical tips on analyzing potential engine failures can be found in the article BMW E90 engine failures: check what can ruin your budget!, which shows how to properly assess the risk of costly repairs in cars with a dynamic character.