Fit For VW Fit For Golf 6 1K0927903B 1K0927903R Front Left Speed Sensor Wiring Harness. The ABS wheel speed sensor effectively transmits the vehicle's wheel speed through the harness. Designed meeting OEM Standard matching the original car, fast replacement, just spend a few Minutes to finish the Installation. Improve Performance: Provides accurate wheel speed monitoring to ensure proper operation of the ABS system. improving vehicle safety and stability, especially on slippery surfaces.