Buy Subaru Impreza Accessory Drive Belt Tensioner. Drive Belt Tensioner A squeaking or squealing noise - OEM Subaru Part # 23769AA001 (23769AA000, 23769AA002)

Assembled device that applies load to the drive belt.

TENSIONER ASSEMBLY-V BELT Accessory Drive Belt Tensioner Assembly

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Drive Belt Tensioner
A squeaking or squealing noise from your engine bay is usually due to a loose drive belt. Consider replacing the drive belt tensioner on your Subaru Impreza.