Genuine OEM Volkswagen Front Axle Differential Lock, part number 02Q409055D. This component is responsible for locking the differential on the front axle, providing enhanced traction in low-grip conditions. It is a critical part of the drivetrain assembly. Manufactured with high-grade steel for durability and precise gear meshing. Genuine OEM parts ensure the correct torque specifications and material hardness for safe and reliable drivetrain operation.