Ford Fiesta Mk8 Window Regulator Lifter Rear Right O/S H1BB-A27000-AD

Ford Fiesta Mk8 Window Regulator Lifter Rear Right O/S is an original component from the Ford Window Regulators & Motors group, designed for operating the right window in the rear part of the vehicle body. It ensures stable window guidance and proper cooperation with the factory control mechanism, which translates into daily operational comfort and the correct functioning of the window opening system.

Specifications and technical data

• SKU: H1BB-A27000-AD
• Mark: Ford
• Condition: Used
• OEM Part Number: H1BB-A27000-AD
• Substitutable numbers: H1BB-A27000-AD, H1BBA27000AD, 2507028, H1BB-A27000-AF, H1BBA27000AF
• Location on the vehicle: Rear, Right
• Part type: Window Regulator
• Category: Window Motors & Regulators

Purpose and function in the vehicle

The presented window regulator is dedicated for installation in the rear right part of the body, where it is responsible for the precise raising and lowering of the window. The component works with the factory electric control system, keeping the window in the correct position and minimizing play and unwanted vibrations while driving. Thanks to the perfect fit for the specific Ford model, the correct geometry of the guides is maintained, which reduces the risk of the window jamming, moving unevenly, or placing excessive load on the control motor.

Advantages of using an original window regulator

Using an original window regulator in the Ford Fiesta Mk8 allows for maintaining the structural integrity of the door and proper cooperation with other elements of the window system. This solution is particularly beneficial for:

• repairs after mechanical damage to the window mechanism,
• eliminating problems with uneven operation or window jamming,
• restoring factory comfort for rear passenger window operation. A properly selected window regulator reduces the need for additional modifications, which shortens installation time and facilitates service work.

Integration with the door system and user comfort

The rear right window regulator works with the door structure, ensuring an even distribution of forces on the glass pane. As a result, the window moves smoothly throughout its entire range, and the loads transferred to the mounts and guides are kept within safe limits. A properly functioning mechanism also affects door sealing – correct sealing of the window in the upper position reduces wind noise and helps maintain stable operating conditions for the vehicle's air conditioning and heating system.

Part selection by numbers and technical aspects

When selecting a window regulator for a specific vehicle, it is crucial to pay attention to the manufacturer's markings and reference numbers. This allows you to avoid compatibility issues, such as differences in mounts, travel distance, or the way it interacts with the control motor. In case of doubts regarding the fitment of the component to a specific equipment version, it is worth using catalogs based on part numbers or consulting a service center, which reduces the risk of selecting the wrong variant of the mechanism.

Ford Window Regulators & Motors – expansion and service

If you are planning a comprehensive repair or upgrade of the door and window area in your Ford and need other elements from the same group, such as window lifting mechanisms, electric drives, or complete control modules, check the available parts in the Ford Window Regulators & Motors category.

More about used components in vehicle systems

When choosing used elements for vehicle systems – including components that work with the electrical installation – it is worth knowing the principles of safe selection by numbers and the real cost differences compared to new parts. This topic is discussed in more detail in the guide Why it is worth buying used gearboxes and engines – facts instead of myths, where you will find practical tips on verifying components and working with OEM markings.