1、OE Number: The referencing OE number of this rear axle control arm trailing bushing is 1K0505171C, molded and designed depend on the original data. 2、Fitment: The rear control arm trailing bush is a replacement for OCTAVIA 2004‑ 2011, for SUPERB 2008 ‑2010, for A3 2004‑2012. 3、Improved Stability: The rear trailing bushing helps to improve the stability and handling of your vehicle by providing a secure connection between the control arm and the rear axle. 4、Enhanced Comfort: These bushings effectively absorb road vibrations and reduce noise, resulting in a smoother and more comfortable ride for you and your passengers. 5、Durable Construction: Made from high strength metal and rubber materials, designed to withstand the rigors of daily use and resist wear and tear.