Genuine OEM Audi Flanged Shaft, part number 09R598071. This essential drivetrain component transmits rotational power from the differential assembly to the axle, facilitating torque transfer to the wheels. It is typically found on the output side of the differential housing. Weighing 1.362 kg, this shaft is engineered for high strength and precise rotational balance. Choosing a genuine OEM flanged shaft ensures correct spline engagement, material hardness, and dimensional accuracy, which are vital for preventing premature wear, vibration, and maintaining the integrity of the vehicle's transmission and drivetrain system.