The Bilstein 19-21 Audi Q3 B4 OE Replacement Suspension Strut Assembly - Front is designed to replace the original equipment suspension strut assembly on the Audi Q3 B4 from model years 19-21. This replacement assembly features a monotube gas pressure shock absorber with a self-adjusting deflective disc valve system for superior ride comfort and performance. The strut is constructed from high-strength steel and features a corrosion-resistant zinc finish for long-lasting durability. The assembly also includes a dust boot, a boot clamp, and a bump stop. This replacement strut assembly is designed to provide a direct fit for easy installation and a reliable ride.