Tensioner-Roller Assembly for Alternator Belt (Hutchinson-OEM) for C6 A6, D3 A8, 4L Q7 & B8 S5 w 4.2l V8 FSI

The bearings in the pulley on this part sometimes fail causing squeaking noises at the front of the motor. This is an OEM part made by Audi. This is the same part that came on your car from the factory.

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