Alternator Pulley
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Filter your results by entering your Year, Make, Model to ensure you find the parts that fit your vehicle.
An alternator pulley is powered by the serpentine belt to run the alternator and create charge. An overrunning alternator pulley, or OAP, allows the belt to turn the alternator in one direction using a one-way clutch inside the hub. This also allows the alternator to spin at its own speed when the engine is decelerating. Overruning alternator pulleys help to reduce noise, vibration, and harshness. When performing any repairs to your alternator, it's a good idea to check the condition of your alternator pulley. Signs of alternator pulley failure are noise, stress on the belt drive system, and vibrations from your engine. At O’Reilly Auto Parts, we have alternators, serpentine belts, voltage regulators, and alternator pulleys for select models. Check out our selection and find a replacement alternator pulley for your vehicle.
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