Genuine OEM Audi Engine Chain Sprocket Bearing Pin, part number 06E109220B. This precision-engineered pin serves as a crucial pivot point within the engine's timing chain assembly, supporting the rotation of a timing sprocket. It is an internal engine component, vital for maintaining accurate valve timing. Weighing 0.249 kg, this part is manufactured to stringent material and tolerance specifications. Opting for a genuine OEM bearing pin ensures the correct hardness, surface finish, and dimensional accuracy, which are essential for the long-term reliability and quiet operation of the engine's timing system.