The ACT pilot bearing PB1009 is a direct replacement bushing or bearing installed either in the crankshaft end or the center of the flywheel depending on vehicle design. It supports the transmission input shaft and restores the rotational interface between crank and transmission during rebuilds or clutch service. The part is presented as a quality replacement component intended to maintain proper input-shaft support.
ACT 06-08 Audi A4 ( B7 ) Pilot Bearing