Genuine OEM Volkswagen Central Differential Housing, part number 0B4301213B. This robust housing encloses and protects the central differential mechanism, maintaining the precise alignment of gears and bearings essential for distributing power between the front and rear axles. It is a key component of the drivetrain assembly. Made from high-strength cast aluminum for optimal thermal management and durability. Genuine OEM differential housings are engineered to exact tolerances for smooth operation and extended component life.