The Bilstein B4 Series 19-119939 is a premium Gas Pressure Twin-Tube Shock Absorber designed to restore your vehicle's original ride quality and handling performance. Engineered to meet or exceed OE standards, this shock absorber is an ideal replacement for the front axle of Audi A4 and Seat Exeo models. It features high-quality seals, valving, and a durable finish to ensure long-lasting reliability. This product is sold as a single unit (1pc). For optimal results, it is recommended to replace shock absorbers in pairs. Fitment: Front Axle. Part Number: 19-119939. Series: B4 OE Replacement.