Genuine OEM Volkswagen Door Reinforcement, part number 1K5831505C. This pressed metal component is designed to add significant structural strength and rigidity to the vehicle's door. It is specifically positioned within the front left door assembly to enhance safety and impact resistance. Weighing 2.226 kg and measuring 1.04 m in length, it is a critical safety component. Choosing a genuine OEM reinforcement ensures the correct material properties, precise dimensions, and structural integrity for optimal crash protection.