Genuine OEM Audi Rear Coil Spring Insulator, part number 1EA512297. This component is designed to isolate the coil spring from other suspension components, effectively reducing noise and vibration for improved ride comfort. It is positioned at the bottom of the rear coil spring. Weighing 0.059 kg with dimensions of 0.12m x 0.1m x 0.037m, this insulator is engineered for precise fitment and durability. Choosing genuine OEM ensures the correct material properties for optimal damping and longevity, maintaining factory ride quality and preventing premature wear of suspension parts.