Genuine OEM Volkswagen Reduction Intermediary Tank Wiring Harness, part number 5Q0971404. This complex wiring harness is designed to provide precise electrical connections to the reduction intermediary tank and associated sensors or actuators. It ensures reliable data transmission and power supply for critical emissions control or fluid management systems. Weighing 0.36 kg, this genuine OEM wiring harness guarantees correct pin-outs, insulation, and connector integrity, essential for preventing electrical faults and ensuring system functionality.