Genuine OEM Audi Transmission Input Shaft, part number 0CK311105E. This critical component within the transmission assembly is responsible for receiving rotational power directly from the engine or clutch and transmitting it into the gearbox. It is designed to handle high torque and rotational speeds. Weighing 3.672 kg and measuring 0.557 meters in length, this shaft is manufactured from robust materials with high precision. Choosing a genuine OEM input shaft ensures correct spline engagement, precise balancing, and optimal material properties, which are vital for smooth gear changes, efficient power transfer, and the overall longevity of the transmission.