100% all-new OAP
Guaranteed not a reconditioned unit
The Gaido over-running alternator pulley is a 100% all-new unit that runs quietly


What is the overrunning alternator pulley?
The OAP (over-running alternator pulley) plays an important role in the smooth running of the modern internal combustion (IC) engine.
Yet, it is something that is often overlooked despite its crucial function in maintaining energy efficiency. The OAP decouples the alternator from rotational irregularities.

Enables the alternator to run at high speed
The Gaido high performance OAP ensures that the accelerating rate of the crankshaft is transferred smoothly to the belt.
Reduce vibration
It is important to replace the over-running alternator pulley when installing a new alternator.
The Gaido OAP is designed to reduce vibration and slippage throughout the entire belt drive system of the alternator.


Quiet operation
Designed to function silently.
About alternator
For more details about Gaido alternator, please contact our sales line today.