Window Winder Mechanisms

Window Winder Mechanisms
Window Winder Mechanisms

Masterparts offers a range of window winder mechanisms, suitable for most vehicle makes and models.

What does a window winder mechanism do in a car?

The window winder mechanism is the lifting component that opens and closes the side window of a car. It can be mechanical, as in older vehicles, or powered electrically by a motor installed inside the car door.

How do window winder mechanisms work?

The systems used to lower and raise car windows vary from one automotive manufacturer to another. Nearly all vehicle makes use one of two types of window winder regulator.

There is a scissors-style lifting mechanism and a cable mechanism.

The X-shaped, gear-driven scissors-style mechanism works by collapsing onto itself as the window is lowered. The window is pushed open when the regulator extends.

power window regulator

Source: Rick’s Free Auto Repair Advice

A cable window winder mechanism relies on a simple cable and pully system to move the bracket holding the glass up and down.

power window regulator

Source: Rick’s Free Auto Repair Advice

In modern vehicles, the lifting mechanism of each window is operated by a two-way switch. The switch is wired to the motor by two circuits, one to open the window and the other to close it.

Signs of a damaged window winder mechanism

As with all moving components, window winder mechanisms can wear and fail. Dirt, dust and corrosion can jam the gears, damage the wiring, and corrode the metal.

Grinding or squeaking noises during operation are a sign of a damaged or malfunctioning mechanism.

When the window moves up and down with difficulty, or doesn’t move at all, the most likely cause is a defective winder mechanism.

High-quality automotive window winder mechanisms for sale in South Africa

Masterparts stocks a range of window winder regulators for BMW and Mercedes-Benz vehicles.

Components are manufactured from durable materials, and according to stringent OEM standards.

Our friendly consultants are always available to give you advice as to the best window winder mechanisms for your BMW or Mercedes.

Where to get window winder mechanisms from Masterparts

We offer door-to-door delivery. Alternatively, visit any of our branches across South Africa or in Windhoek, Namibia.

Window winder mechanisms in and around Cape Town:

Window winder mechanisms in KwaZulu-Natal:

Window winder mechanisms in Namibia:

Masterparts stocks a comprehensive range of car spares and parts – including window winder mechanisms. Contact us if there’s a part you need and we’ll do our best to assist.


Call us on 021 657 5757 or complete the form below to get a quote.

    Current ProjectWindow Winder Mechanisms