Genuine OEM Audi Drivetrain Flange, part number 017525385B. This heavy-duty metal flange serves as a critical connection point for rotating components within the vehicle's transmission or differential assembly. It ensures precise alignment and secure fastening, facilitating the smooth transfer of power. Weighing approximately 1.03 kg, this genuine OEM flange is manufactured to exact tolerances, guaranteeing proper balance and durability for long-term drivetrain integrity.