Professional 37027P Alternator Decoupler Pulley

Torsion spring absorbs the engine vibration for a quieter, smoother ride Professional, premium aftermarket replacement Provides the performance and dependability you expect from ACDelco Manufactured to meet expectations for fit, form, and function The ACDelco Professional, premium aftermarket Alternator Decoupler Pulley provides vibration isolation within the Accessory Belt Drive System resulting in smoother engine performance, efficiency, and increased belt and component life. Overrunning alternator decoupler pulleys and one way clutches (not interchangeable) are also available. This premium aftermarket replacement alternator decoupler pulley is manufactured to meet your expectations for fit, form, and function.