Generator DECOUPLER Pulley
WARNING: This page is about a different car, the 2004 Dodge Grand Caravan, 2004 Dodge Caravan, and 2004 Chrysler Town & Country. However, it is still accessible from the selected car via links, so may be relevant.
The generator decoupler is a one-way clutch and should be replaced as an assembly. It is designed to help reduce belt tension fluctuation, reduce fatigue loads, improve belt life, reduce hubloads on components, and reduce noise.