Genuine OEM Cupra Rear Left Speed Sensor Wiring Harness, part number 1EA927902AJ. This wiring harness is responsible for transmitting signals from the rear left wheel speed sensor to the vehicle's electronic control unit. It is a crucial component for the proper functioning of anti-lock braking (ABS) and electronic stability control (ESC) systems. The harness is located along the rear left suspension and connects to the wheel speed sensor. Genuine OEM wiring harnesses are manufactured to exact specifications, ensuring reliable electrical connections and preventing signal interference for optimal system performance.