Genuine OEM Audi Coil Spring Upper Insulator, part number 8J0512149. This component is designed to provide essential cushioning and noise reduction for the coil spring, enhancing ride comfort and preventing metal-on-metal contact. It is specifically for the rear suspension assembly. Weighing 0.118 kg and measuring 0.101m in diameter and 0.024m high, this insulator is manufactured from durable, resilient material to factory specifications. Choosing a genuine OEM insulator ensures proper fitment, effective vibration damping, and long-lasting performance within the suspension system.