Genuine OEM Volkswagen Rear Speed Sensor Wiring Harness, part number 2K3927904B. This wiring harness provides the electrical connection between the rear speed sensor and the vehicle's main electrical system. It is specifically designed for the rear axle, transmitting crucial wheel speed data to control modules. Measuring 2.165 m in length and weighing 0.157 kg, this harness ensures proper signal integrity. Choosing a genuine OEM wiring harness guarantees correct connector types, wire gauges, and insulation for reliable electrical performance and longevity.