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Are the left and right window regulator motors the same?

2 Answers

Garcia

07/28/25 8:48pm

The left and right window regulator motors are the same. Window Regulator: A window regulator is the mechanism that raises and lowers the window glass in a car door. It is mainly divided into two types: electric window regulators and manual window regulators. Nowadays, many car door windows are equipped with button-operated electric regulators for raising and lowering the glass. Components of a Window Regulator: Electric window regulators for cars typically consist of a motor, reducer, guide rope, guide plate, and glass mounting bracket. The master switch, controlled by the driver, manages the opening and closing of all door windows, while individual switches on each door handle allow passengers to control their respective windows, making operation very convenient.

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Queiroz

08/12/25 1:31am

I'm in the auto parts wholesale business and have found that the power window motors for most car models are indeed interchangeable between left and right sides. To save costs, manufacturers design the door structures symmetrically, so the motor models are naturally the same. Last time, when I supplied motors for a repair shop working on a 2018 Corolla, both left and right sides used the same part number. However, some high-end models differentiate between the driver's side anti-pinch motors and regular passenger side motors, with slight differences in power. This is something to watch out for during modifications, especially with German cars—if the motor connector fits but the window movement speed is noticeably different, it might be the wrong motor. Of course, it also depends on the specific model year; for example, the anti-pinch motors for the high-trim 10th-gen Civic are interchangeable between left and right.

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