Genuine OEM Volkswagen Engine Timing Crankshaft Sprocket, part number 04E105209A. This essential gear is a key component of the engine's timing system, responsible for driving the timing chain or belt and synchronizing the crankshaft's rotation with other engine parts. It is mounted directly onto the crankshaft. The sprocket features precisely machined teeth and measures approximately 5.6 cm in diameter. Using a genuine OEM sprocket ensures the correct tooth profile, material hardness, and dimensional accuracy for reliable and precise engine timing.

Catalogue entry: CHN SPRCKT Z=29.

Fitted with: N91204401 BOLT.