The TRW Mercedes Steering Idler Arm Bushing - JBU984 is a replacement part for the steering system of Mercedes vehicles. This bushing is designed to fit onto the idler arm, which is responsible for maintaining proper alignment and stability of the steering system. It is made of high-quality materials and is built to withstand the wear and tear of daily use. This product is specifically designed for Mercedes vehicles and is an essential component for ensuring smooth and safe steering.