Genuine OEM Volkswagen Cable Guide, part number 3D1971615B. This part functions as a guide to organize and protect wiring harnesses within the vehicle's electrical system. It is located in the area indicated by number 20 in the diagram. Constructed from durable plastic, it measures 0.7 meters in length. Genuine OEM parts are crucial for cable guides to ensure proper routing and prevent damage to wiring, maintaining the integrity of the electrical system.