What is an Overrunning Alternator Pulley (OAP)?

An OAP is piece with one-way clutch unit, which reduces the engine crankshaft vibrations. This supreme one-way clutch allows the alternator to move effortlessly when the belt speed is increased. It optimizes the performance of belt tension, hub load, slippage and vibrations. The functionality of OAPs helps eliminate the irregularities. Altogether, OAPs achieve reduction in fuel consumption and ultimately reduces the engine emissions.

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