Mini Cooper One R50 R52 R53 Window Regulator Lifter Passenger Front Left N/S

Mini Cooper One R50 R52 R53 Window Regulator Lifter Passenger Front Left N/S is an original component from the Window regulators and motors group, designed for the precise operation of the driver's side window in first-generation Mini models. Thanks to its factory design, it ensures the correct window guidance geometry, stable mechanism operation, and maintains user comfort in accordance with the manufacturer's standards.

Specifications and technical data

• SKU: 7039451
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 7039451
• Substitutable numbers: 7039451, 51337039451, 67626955875, 6955875, 67626954891, 6954891, 67626937657, 6937657, 67626910375, 6910375
• Location on the vehicle: Front, Left
• Category: Window Motors & Regulators

Purpose and fitment

The window regulator has been designed for installation in the front left door of the Mini Cooper R50, R52, and R53 series, which means it fits the door structure, mounting points, and factory guide rail system. The vehicle placement, defined as front, left side, allows for the unambiguous identification of the correct component when planning repairs or replacement.

As a part from the Window regulators and motors group, this sub-assembly works with the factory door equipment – the glass, seals, and control system – which facilitates installation and reduces the risk of issues with window closing or guidance.

Function and benefits of installation

The window regulator is responsible for the smooth raising and lowering of the driver's window, and its proper operation has a direct impact on:

• daily operating comfort – efficient opening and closing of the window via the button,
• cabin tightness – proper sealing of the window against the weatherstrips,
• safety – stable retention of the window in the set position while driving.

Using an original solution dedicated to the Mini allows for maintaining the correct window operating line, reducing stress on the mechanism, and minimizing the risk of jams or misalignment. This is particularly important for the driver's door, which is the most intensively used.

Characteristics of the used component

The offered window regulator comes from dismantling and is marked as a used original Mini component. This type of part is a sensible choice for drivers who want to maintain the factory specification of the car while controlling repair costs. Unlike many aftermarket replacements, the original mechanism maintains compatibility with the door structure and operating parameters intended by the manufacturer.

Before installation, it is recommended to perform a standard inspection of the mechanism and properly adjust the guides and mounting points to fully utilize the potential of the part and ensure stable window operation in the long term.

Installation tips and selection by numbers

When selecting a window regulator for a Mini Cooper R50, R52, or R53, it is worth using the manufacturer's markings and information about the placement on the vehicle. Using the correct component for the driver's side eliminates the need for modifications and allows for installation in a plug-and-play manner, using factory mounting points.

For users who want to deepen their knowledge regarding the safe selection of used components and choosing parts by numbers, the following expert guide will be useful: Why it is worth buying used gearboxes and engines – facts instead of myths. Although it mainly concerns powertrains, it discusses universal principles of verifying used components and working with OEM markings.

Expanding the Mini window lifting system

If you are planning a comprehensive repair or upgrade of the door and window area in your Mini and need other elements from the same group, such as window lifting mechanisms, electric drives, or guides, check the available parts in the Mini Window regulators and motors category.

By using elements from a single product group, you can maintain the technical consistency of the system, facilitate future diagnostics, and reduce the risk of incompatibility between individual components.