Genuine OEM Audi Rear Axle Wheel Bearing Seal, part number 80A505491. This component is designed to protect the wheel bearing from contaminants like dirt and moisture, maintaining its lubrication and extending its service life. It is located at the rear axle, surrounding the wheel bearing assembly. Measuring approximately 98mm in diameter, this seal is manufactured to precise factory specifications. Using a genuine OEM seal ensures exact fitment and material integrity, crucial for preventing premature bearing wear and maintaining optimal suspension performance.