Genuine OEM Volkswagen Differential Housing, part number 0DF409021D. This housing is a critical component within the transmission assembly, designed to contain and protect the differential gears. It ensures the correct alignment and smooth operation of the drivetrain components. Constructed from robust materials to withstand operational stresses and provide a long service life. Genuine OEM parts are manufactured to exact specifications, guaranteeing perfect integration and optimal performance of the transmission system.