Bilstein 09-16 Audi A4 B1 OE Replacement Rear Suspension Strut MountBilstein B1 OE Replacement components are direct replacement suspension parts for your vehicle. These components can extend the operating life of your vehicle and its suspension system, including protective dust boots to prevent your shocks and struts from being damaged, and strut mounts to keep your struts firmly in place. Each of these components plays a crucial role in ensuring a long and safe life for your vehicle. This Part Fits: Year Make Model