Genuine OEM Kia Differential Cup Case Housing, part number 458223B450. This robust cast metal housing is designed to enclose and protect the intricate components of the differential assembly. It forms the main structural element of the differential, ensuring proper alignment and lubrication of gears. Constructed from high-strength cast metal, it withstands significant torque and operational stresses. Choosing a genuine OEM differential housing ensures precise machining, correct material composition, and factory-specified tolerances for long-term durability and optimal drivetrain function.