Genuine OEM Volkswagen ABS Hydraulic Unit, part number 5QA614517ATBEF. This hydraulic unit regulates brake fluid pressure to prevent wheel lock-up during braking, enhancing steering control. It is a critical component of the brake system. The part is identified with the suffix TBEF. Genuine OEM ABS hydraulic units are precisely manufactured and calibrated to ensure optimal performance and safety of the anti-lock braking system.