The overrunning alternator pulley consists of a pulley, an overrunning clutch unit with a double bearing support, a drawn inner ring and outer ring and two sealing rings. For protection against heavy water impacts and other dirt contamination, a cover snap is fitted on the front side.The advantages of our products: - Reduce the jitter of the belt - Reduce the rate of belt slippage - Reduce the tension pulley swing - Extend the life of the belt - Improve the life of the automatic tensioner pulley - Reduce the fluctuations in the belt tension - improve the life of the various parts of the Front wheel system - To improve the abnormal noise and vibration of the front wheel system Increase the average speed of the generator in the state of idle fluctuations - Reduce engine fuel consumption

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