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The alternator decoupler pulley uses a one-way clutch mechanism to absorb belt load fluctuations and reduce wear on the belt drive system, particularly at idle and during deceleration. Signs of failure include: a chirping or rattling noise from the alternator area, accessory belt wear that seems premature, or a pulley that spins freely in both directions when it should only freewheel in one. Replace it to protect your belt and restore smooth drive system operation.
INA, part of Schaeffler Group, is a German manufacturer of precision bearings, timing components, and tensioners. As an OE supplier to European manufacturers, INA delivers exceptional quality and is the professional's choice for critical rotating components.
