OEM NO: 4410328790
4029106400Wheel speed sensors are a necessary ABS component and sensor input. It is used to inform the ABS control module of rotational wheel speed. There are two types of sensors found on today's vehicles, the passive and the active. The conventional passive sensor consists of a magnetic pin with fine copper wire wrapped around to create a magnetic field. This sensor changes polarity as a toothed metal ring, called a tone ring passes through its field. This tone ring is attached to a part rotating at the same speed as the wheel, such as an outboard CV joint of a front wheel drive or the axle or differential of a rear wheel drive vehicle.
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