Bilstein B4 OE Replacement 17-19 Audi A4 / 17-18 Allroad / 18-19 S4 Rear DampTronic Shock Absorber

Engineered specifically for Audi's electronic DampTronic suspension systems, this rear shock integrates adaptive damping control while providing Bilstein's quality foundation. Application-specific design accommodates electronic actuator components while maintaining proper damping characteristics across all suspension modes. Gas-pressure construction works harmoniously with DampTronic's variable damping algorithms, providing the baseline performance Audi's system modulates based on driving conditions and selected modes. Calibrated for B9-platform weight distribution and quattro AWD dynamics, ensuring balanced handling across comfort, auto, dynamic, and individual settings. Chrome-plated piston rods resist environmental corrosion while electronic-compatible seals maintain integrity. Fits A4, Allroad, and S4 variants, accommodating different powerplant configurations and suspension tuning philosophies.

Restore your electronically-equipped Audi's rear suspension with technology designed for seamless DampTronic integration. This shock maintains the adaptive character and responsive handling Audi engineered while working flawlessly with electronic control systems. Perfect for A4, Allroad, and S4 owners valuing the sophisticated ride quality and dynamic versatility that adaptive suspension provides, from comfortable touring to engaging sport driving scenarios across varied road conditions and driving styles.