The Bilstein 06-07 Audi A6 B4 OE Replacement Air Suspension Strut - Front Left is a direct replacement air suspension strut designed for the 2006-2007 Audi A6 B4. This strut is designed to replace the factory air suspension strut, and is engineered to provide improved handling, stability, and ride comfort. It is constructed from high-quality materials and features an adjustable damping rate for a customized ride. It is also corrosion-resistant for increased durability.